The Cosmic Guardians: Season 1

by ShopperBrony90

The Killer Plant

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The story begins on a bright, sunny day in Canterlot City, where the girls are enjoying their well-deserved holiday. With no school to attend, they find themselves with plenty of free time to explore new adventures. The atmosphere is filled with excitement and anticipation as they receive a call from their friend Wallflower Blush.

Wallflower Blush, known for her love of plants and nature, invites the girls over to her home. Her house is described as a serene oasis, lined with various plants that create a calming environment. The neat furniture complements the greenery, and an HDTV sits prominently in the living room, hinting at potential movie nights or gaming sessions.

“Hey guys! I could really use your help while my family is away on vacation,” Wallflower says cheerfully over the phone. “Would you be able to take care of my plants? I promise it’ll be fun!”

The girls exchange glances filled with enthusiasm. They love spending time together and are excited about the prospect of caring for Wallflower’s beloved plants.

“Of course! We’d love to help!” Applejack replies, their voices brimming with eagerness.

With their minds made up, they gather their things and head over to Wallflower’s house. Upon arrival, they are greeted by the lush greenery that fills every corner of her home. The girls marvel at how vibrant and alive everything looks.

“This place is amazing!” Sweetie Belle exclaims as she runs her fingers along the leaves of a particularly large fern.

Wallflower smiles proudly. “Thank you! I’ve been taking care of these plants for years.”

As they settle in, Wallflower explains what each plant needs in terms of watering and sunlight. The girls listen attentively, ready to take on this new responsibility during their break.


Meanwhile, in the Dark Depths of Canterlot City...

Far beneath the bustling streets of Canterlot City, in a hidden lair shrouded in shadows, Grogar watched the girls through his magical orb. His eyes gleamed with malevolence as he observed their enthusiasm for their work.

"Interesting," Grogar muttered to himself, a sinister plan forming in his mind. "These girls are always meddling in my affairs. Perhaps, it's time I teach them a lesson. A lesson they won't soon forget."

He waved his hand over the orb, summoning his dark magic. "Let’s see how they handle a little... complication." Grogar's magic swirled and twisted, shaping itself into a humanoid plant monster, its body covered in vines and thorns.

"Go to Canterlot City," Grogar commanded the monster. "Cause chaos, and make sure those girls and their little plants pay dearly."

The monster bowed and slithered away, ready to wreak havoc on the unsuspecting citizens of Canterlot City.


Back in Canterlot City...

As the girls kept taking care of the plants, the monster began its rampage. It moved through the city, its breath turning anyone who got in its way into giant, helpless fruit.

Lyra and Bon Bon were the first to encounter the creature. They had been walking home from the park when the monster appeared. Before they could react, the monster unleashed its breath, enveloping them in a dark, magical mist as they coughed. When the mist cleared, Lyra and Bon Bon found themselves transformed—now towering, talking fruit, unable to do anything but call out for help.


Shari floated in the ethereal expanse of her void, a galaxy of pink shimmering stars and magic planets. Her heart pounded as she witnessed the chaos unfolding through the wormhole, a gaping tear in the fabric of space-time. On the other side, Canterlot City was in turmoil, its once peaceful streets overrun by a monstrous force.

"This is dire," Shari muttered to herself, her voice echoing through the void. Her horn shined as she activated the hologram, calling the girls to her void.

"What is it, Shari? What's going on?" the girls asked as the hologram showed up on their morphers.

"You and the others need to report to my void pronto. I'll explain what's happening when you get there." the Shari hologram ordered as the girls replied that they're on their way to her void. They all tear open a portal in front of them with one slash of their dimension blades of their morphers and they went through.


In a flash of vibrant colors, the girls materialized before her; their expressions ranging from concern to outright fear. They stood in a semicircle, their morphers' glows adding to the void.

"Shari, what's happening?" Sci-Twi asked, their voice tinged with urgency.

Shari took a deep breath, steeling herself. "It's Grogar. He's planning to take over Canterlot City." She waved her hoof and a holographic image of Grogar appeared, his malevolent grin sending shivers down their spines. "He's unleashed a plant monster that's already started its assault on the city."

The Guardians exchanged worried glances. They had faced many threats before, but the mere mention of Grogar's name filled them with dread.

"Woah, nelly. Grogar sounds like one bad apple!" Applejack exclaimed with Apple Bloom nodding in agreement.

"I know, right! He sure is one big party pooper!" Pinkie replied.

"That's not all," Shari continued. With another blast of light from her horn, she showed them the scene of the plant monster wreaking havoc, its twisted vines wrapping around buildings and tearing them apart. "This creature is summoning an army of humanized changelings. It's unlike anything we've faced before."

"Oh, no! I don't know what will become of our fair city soon!" Fluttershy shouted, scared.

"Don't worry, Fluttershy. We'll take care of that psycho once and for all. Then we can get back to our projects. Okay?" Rainbow Dash said.

"She's right. We're the Cosmic Guardians now. We can take him down!" Scootaloo spoke as Fluttershy starts to cheer up.

The girls knew what had to be done. With a unified nod, they each activated their morphers. In a dazzling burst of light, they transformed into their Cosmic Guardian uniforms.

"Let's go," Sunset said, determination burning in the Guardians eyes.


They teleported to Canterlot City, arriving just in time to see the monstrous plant summon its army of humanized changelings. The streets were swarming with the creatures, their eyes glowing with malicious intent. The Guardians wasted no time, diving into the fray with the ferocity of warriors who knew the stakes.

"Let's take out the demonic trash, y'all!" Applejack shouted as she summoned Thor hammer.

"Right!" The guardians shouted in unison as they each summon their weapons.

The battle was intense with the Guardians using their cosmic powers and weapons to fight off the hordes of changelings. Unfortunately, the tide had turned when the plant monster itself stepped into the battlefield. Its massive form towered over them.

"A'll take care of that monster, sis!" Apple Bloom said as she charged towards it with her hammer.

"Apple Bloom, wait!" Applejack yelled as her sister approached the creature. With a deep, guttural roar, it unleashed a dark magic breath that enveloped her. Just like that, Apple Bloom became an inanimate apple!

"Apple Bloom. No!" Applejack cried as the monster laughed.

"You dare hurt a little girl like that! You are gonna pay for this!" Fluttershy shouted as she summoned her whistle and called out her animal army. Unfortunately, the monster's breath is powerful enough that it turned her animal army into fruits before Fluttershy got enveloped as well. Once it all clears, Fluttershy got turned into a giant cherry!

"Fluttershy!" Pinkie shouted as the monster teleported in front of her. Before she can fire explosives from her party-blower hands, it breathed on her as she turned into a strawberry!

The Guardians could only watch in horror, frozen by the sheer shock of what had just happened.

Before they could retaliate, the monster vanished, teleporting away with a sinister laugh that echoed through the now silent streets.

The Guardians quickly gathered the fruit-ified Fluttershy, Apple Bloom, and Pinkie Pie, their minds racing for a solution. With heavy hearts, Rarity made a portal and one-by-one, they all flew back to Shari's void, carrying their transformed friends with them.


Back in the void, the atmosphere was tense as they laid the fruits down gently, their bright colors a stark contrast to the darkness around them. The Guardians regrouped, the weight of their failure pressing down on them.

Shari looked at the Guardians, her expression solemn. "We'll find a way to reverse this," she said, her voice firm. "But we must act quickly. Grogar won't stop until he rules Canterlot City with an iron fist."

The Guardians nodded, determination replacing their fear. They knew the road ahead would be perilous, but they were ready to face whatever challenges came their way.

"Ah sure hope my sister will be okay." Applejack hoped.

The fate of Canterlot City—and their friends—depended on it.


The sun hung low over Canterlot City, casting an eerie orange glow across the devastated landscape. Smoke billowed from the ruins of buildings, and the distant sounds of sirens and collapsing structures echoed through the empty streets. The once-bustling city now lay in shambles, half of it reduced to rubble by the mysterious plant-like creature that had emerged seemingly out of nowhere.

A brilliant flash of multicolored light signaled the arrival of the remaining Cosmic Guardians. Rainbow Dash, Rarity, Sunset Shimmer, Sci-Twi, and Scootaloo materialized in the midst of the destruction, their faces etched with determination and concern.

"This... this is worse than I imagined," Rarity whispered, her voice trembling as she surveyed the wreckage.

Rainbow Dash clenched her fists, her eyes blazing with anger. "That thing is gonna pay for what it did to our city and our friends."

Sunset Shimmer placed a reassuring hand on Rainbow's shoulder. "We'll get them back. We just need to figure out how to stop that creature first."

Sci-Twi adjusted her glasses, her mind already racing with possibilities. "We should regroup and come up with a plan. Let's head to Wallflower's house; it's on the outskirts of the city and should be safe for now."

Scootaloo nodded, her expression serious beyond her years. "I hope Apple Bloom and the others are okay..."

"They're strong," Sunset assured her. "And so are we. Let's move."


In the boundless expanse of Shari's void, three fruit-ified girls hovered anxiously. Apple Bloom had been transformed into a shiny red apple, Fluttershy into a delicate cherry, and Pinkie Pie into a plump strawberry. Their eyes darted around nervously as Shari, a mystical unicorn goddess with flowing rainbow mane and eyes that sparkled like stars, conducted a detailed scan using her crystalline horn.

Shari sighed, lowering her staff as the ethereal light around it dimmed. "I'm sorry, girls. My powers aren't able to reverse the transformation. Whatever magic did this is deeply rooted and complex."

Fluttershy's voice quivered, her peach form trembling slightly. "Does that mean we'll be... fruits forever?"

Pinkie Pie's strawberry leaves drooped; her usual exuberance dampened. "But I had so many parties planned! I can't throw parties as a strawberry!"

Apple Bloom tried to put on a brave face, but the fear was evident in her voice. "What if our friends can't change us back? What if we're stuck like this?"

Shari floated closer, her presence soothing. "Don't lose hope. Your friends are resourceful and courageous. If anyone can find a way to save you, it's them. For now, you are safe here with me."

Fluttershy took a deep breath, steadying herself. "You're right. We have to trust in them."

Pinkie Pie's leaves perked up slightly. "And when we get back to normal, I'm throwing the biggest 'We’re Not Fruits Anymore' party ever!"

Apple Bloom chuckled softly. "That's the spirit, Pinkie."

Shari smiled warmly. "That's better. Now, let's keep monitoring the situation. I'll do everything in my power to assist your friends from here."


The group arrived at Wallflower Blush's quaint, plant-filled house. The garden was a verdant oasis amidst the surrounding destruction, untouched by the chaos that had befallen the city.

Inside, the girls gathered around the living room, exhaustion evident on their faces. Wallflower's collection of potted plants and hanging vines created a calming atmosphere, a brief respite from the turmoil outside.

Sci-Twi pulled out her portable lab kit, setting it up on the coffee table. "Alright, let's go over what we know. This creature appears to be some kind of plant-based entity, capable of massive destruction and... turning people into fruits."

Rarity shuddered at the thought. "It's absolutely dreadful. Poor Fluttershy, Pinkie, and Apple Bloom."

Rainbow Dash paced back and forth. "We need to find its weakness. There has to be something that can take it down."

Scootaloo, who had been silently observing the array of plants around the room, suddenly had an idea. Her eyes landed on a bottle labeled "Plant Killer" tucked behind a row of succulents.

"Hey, guys! Look at this!" Scootaloo grabbed the bottle and held it up triumphantly.

Sunset raised an eyebrow. "Plant killer?"

Scootaloo nodded excitedly. "Yeah! If that monster is a plant, maybe this stuff can hurt it!"

Sci-Twi's eyes lit up with intrigue. "That's a brilliant thought, Scootaloo. But we need to test it first to be sure."

They moved to the backyard, where a patch of overgrown grass provided the perfect test subject. Scootaloo aimed the spray bottle and gave a single squirt. Instantly, the grass wilted and turned brown.

Rarity covered her mouth in surprise. "Well, that was... effective."

Rainbow Dash grinned. "If it works that fast on regular grass, imagine what it'll do to that overgrown weed terrorizing our city!"

Sunset's expression grew thoughtful. "But we can't exactly run up to it and start spraying. We need a more efficient delivery method."

Sci-Twi smirked, already formulating a plan. "Leave that to me. I can modify our Cosmic Guardian blasters to incorporate canisters of this plant killer. That way, we can hit it from a distance and with enough concentration to do some real damage."

Scootaloo pumped her fist in the air. "Yes! Now we're talking!"

"Great idea, sugarcube!" Applejack cheered.

Rarity looked concerned. "But do we have enough of the plant killer to make a difference?"

Sunset glanced around the garden. "Wallflower is a serious gardener. I'm sure she has more stored somewhere. Let's search the shed."


After a quick search, they discovered several large containers of the plant killer stacked neatly in the shed. Sci-Twi's eyes gleamed as she began gathering the supplies.

"This should be plenty. Give me an hour to make the modifications."

Rainbow Dash cracked her knuckles. "Perfect. While you do that, the rest of us can scout the city and see where that thing is hiding now."

Sunset nodded. "Be careful. We don't want anyone else getting hurt."

Rarity placed a hand on Sci-Twi's shoulder. "Do you need any help, darling?"

Sci-Twi smiled appreciatively. "I think I got it, but thanks. Just make sure to keep an eye out for any survivors who might need help."

As the group dispersed to carry out their tasks, Sci-Twi set up her equipment on Wallflower's workbench. Tools and parts scattered around her as she meticulously began modifying the blasters. Her tongue stuck out slightly in concentration as she soldered wires and adjusted circuits.

An hour later, the team reconvened in the living room. Sci-Twi held up one of the modified blasters, now equipped with a gleaming silver canister filled with the potent plant killer.

"Behold, the upgraded Cosmic Guardian blaster. This should deliver a concentrated dose of the plant killer directly into the creature's system."

Rainbow Dash grabbed one and inspected it eagerly. "Awesome! This is gonna be epic."

Sunset took a blaster and looked at Sci-Twi with admiration. "Great work, Twi. This could be our best shot at stopping that thing."

Scootaloo secured her own blaster, her eyes filled with determination. "Let's do this for our friends."

Rarity adjusted her uniform and nodded resolutely. "For Fluttershy, Pinkie Pie, and Apple Bloom."

Sci-Twi's morpher beeped and Shari's voice came through, echoing slightly. "Girls, any progress on defeating the creature?"

Sci-Twi pressed a button on her morpher. "Yes, Shari. We believe we've found a solution. We've modified our blasters to deliver a plant killer that should be effective against the monster."

Shari's relief was palpable through her voice. "That's wonderful news. The girls here are safe but anxious. Be careful out there."

Sunset replied, "We will. Keep them safe for us."

Shari's voice softened. "Always. Good luck, Cosmic Guardians."

The connection ended, and the girls exchanged determined glances.

Rainbow Dash extended her hand into the center of the group. "Cosmic Guardians, ready to save the day?"

One by one, the others placed their hands atop hers.

"Ready!" they chorused.

They stepped back, each activating their morphers in unison.

"Cosmic Power, Activate!"

A dazzling display of lights and colors enveloped them, transforming their everyday attire into sleek, armored uniforms that shimmered with celestial energy. They also have modified blasters and weapons at hand.

Sunset pointed towards the door. "Let's go show that overgrown weed what happens when you mess with Canterlot City and our friends."

With renewed vigor and a solid plan, the Cosmic Guardians surged forward, ready to face the monstrous threat and restore peace to their beloved city.


The streets were eerily quiet as the Guardians navigated through the wreckage, their senses alert for any sign of the creature. Suddenly, a deep, guttural roar echoed through the air, followed by the sound of trees uprooting and buildings collapsing.

"There!" Scootaloo pointed towards the city center, where the monstrous plant creature towered over the ruins, its massive vines writhing and lashing out, destroying anything in their path.

Rainbow Dash gripped her blaster tightly. "Time to trim this thing down to size."

Sunset raised her hand, signaling for caution. "Remember, we need to get close enough to deliver a concentrated dose. Let's approach from different angles to distract it."

Rarity nodded. "I'll take the left side."

"Scootaloo and I will go right," Rainbow Dash added.

Sunset turned to Sci-Twi. "You and I will take it head-on. Ready?"

Sci-Twi took a deep breath, steadying her nerves. "Ready."

They split up, moving swiftly and stealthily through the debris. As they closed in, the creature's features became more distinct—a grotesque amalgamation of vines, thorns, and pulsating pods that oozed a sickly green sap. Its "head" was a massive flower bud that opened to reveal rows of razor-sharp petals.

Sunset and Sci-Twi stepped into the open, immediately drawing the creature's attention. It let out another roar, swinging a massive vine towards them.

"Now!" Sunset shouted.

They dodged the attack, rolling to opposite sides as they fired their blasters. Jets of the plant killer sprayed onto the creature's body, causing it to shriek in pain as the areas began to wither and blacken.

From the sides, Rarity, Applejack, Rainbow Dash, and Scootaloo unleashed their own attacks, targeting the creature's limbs and roots. The combined assault caused the creature to stagger, its movements becoming sluggish.

"This is for my sister!" Applejack shouted as she sprayed away, having the creature becoming even more weak.

"It's working!" Scootaloo cheered. Suddenly, the creature unleashed a flurry of thorny vines, forcing the Guardians to take cover.

Sci-Twi analyzed the situation quickly. "We need to target its core. That's what's keeping it alive."

Sunset nodded in agreement. "But it's protected by those outer layers. We need a distraction."

Rainbow Dash's voice crackled over their communicators. "Leave that to me."

Before anyone could protest, Rainbow Dash activated her super speed, becoming a blur as she raced around the creature, firing her blaster repeatedly. The monster thrashed wildly, trying to hit the elusive target.

"Now's our chance!" Sunset yelled.

She, Applejack and Sci-Twi charged forward, aiming their blasters at the exposed core—a glowing green orb nestled within the creature's chest. They fired simultaneously, the concentrated streams of plant killer hitting the core directly.

The effect was immediate. The orb began to crack and sizzle, emitting a high-pitched screech as the creature convulsed. Its vines flailed erratically before slowly drooping and turning black.

Rarity, Sweetie Belle and Scootaloo joined in, adding their firepower to ensure the creature was fully neutralized. With one final wail, the monster collapsed, its massive body disintegrating into a pile of ash and withered leaves.

The Guardians lowered their weapons, breathing heavily as they surveyed the aftermath.

"We did it," Rarity said softly, relief washing over her.

Rainbow Dash rejoined the group, a triumphant grin on her face. "Told you that thing was no match for us."

Sunset smiled, placing a hand on Rainbow's shoulder. "Great job, everyone. But we're not done yet. We need to check if this reversed the effects on the people it transformed."

Before they could do anything, the skies darkened as Grogar, the ancient sorcerer, stood atop a crumbling skyscraper. His eyes glowed with malevolent energy as he raised his staff, chanting an incantation that echoed through the city. Before him lay the fallen creature, a grotesque beast that had been defeated once before but now pulsed with a dark power.

"Arise!" Grogar commanded, slamming his staff into the ground.

The creature stirred, its form growing rapidly. In moments, it had doubled in size, then tripled, towering above the city. The guardians watched in horror as the beast, now colossal, unleashed an earth-shaking roar. Grogar laughed, reveling in the chaos he had wrought.

“We need the zords, now!” shouted Sunset, the leader of the guardians.

One by one, the guardians summoned their zords. They appeared like shimmering beacons of hope in the stormy skies.

“Time to combine!” Sunset yelled.

The zords merged, twisting and locking into place, until they formed the Cosmic Megazord, a towering figure of strength and light. Its eyes gleamed as it stepped forward to face the enlarged beast, the ground quaking beneath its mighty feet.

The battle began in an instant. The Cosmic Megazord charged, delivering a swift punch to the creature’s midsection, sending it stumbling backward. The blow landed like a meteor, and the creature was hurled into several buildings, which collapsed like paper beneath its weight. As the beast staggered to its feet, it unleashed a breath of toxic, swirling magic. The breath hit a nearby office building, and in an instant, the structure morphed into an enormous, twisted banana!


Inside Shari Skyline’s void dimension, Fluttershy, Pinkie Pie, and Apple Bloom watched in dismay, their hearts pounding with fear for their friends. The magical void that secured them in the sidelines, knowing they’re still fruit.

Shari, sensing their worry, approached with a calm but determined expression. “Don’t worry. I’ve been thinking,” she said, her voice soothing. “The Cosmic Megazord has an emergency blaster, but it can only be used in the direst situations. This qualifies.”


Back in the battle, the Guardians perked up when they heard the plan through their communication links. “An emergency blaster?! This is going to be epic!” Scootaloo shouted, her excitement barely contained.

Sunset took a deep breath. She found the hidden button inside the Megazord's cockpit. "Here goes!" She pressed it, and with a powerful hum, the blaster emerged from the Megazord’s back. It glowed with untapped potential, a weapon of last resort.

The beast, now recovered, lunged at them again, but Shari’s voice cut through the tension. “Focus all your magic into the blaster! It’s the only way to take it down for good!”

The girls didn’t hesitate. Channeling their energies, they funneled everything they had into the blaster, their zords glowing brighter as their magic infused the weapon. The Cosmic Megazord took aim, its arms steady, and fired. A blinding beam of light shot forward, crackling with raw magical energy.

The blast hit the creature square in the chest. The beast screeched in pain, its monstrous form disintegrating as the magic ripped through it. In seconds, it was gone, reduced to nothing but a faint shimmer of energy.

As the creature disappeared, the effects of its dark magic were reversed. The giant banana building returned to its original city building form and inside Shari Skyline’s void, Apple Bloom, Pinkie Pie, and Fluttershy began to glow as they’ve turned back to their normal forms again. The trio had teleported back in front of the Guardians, safe and worry-free.

Pinkie Pie tackled the group in a massive group hug. "You did it! You saved us!"

Fluttershy wiped away tears of joy. "Thank you so much."

Apple Bloom grinned at her sister figure, Applejack. "I knew you'd come through."

"Aw, shucks. I could never leave you like that forever, sugarcube." Applejack said as she hugged her little sister.

Scootaloo blushed, rubbing the back of her head. "Couldn't have done it without the team."

“Thank goodness!” Fluttershy sighed in relief, wrapping her arms around her friends.

The city, now peaceful, stood still as the Cosmic Megazord powered down. The girls knew that while this battle was won, Grogar was still out there, scheming in the shadows.


Shari observed the reunion with a serene smile. "Well done, Cosmic Guardians. You have once again protected your world from peril."

Sunset turned to Shari; gratitude evident in her eyes. "Thank you for keeping them safe."

Shari nodded gracefully. "Always. Now, I believe there's a city that needs rebuilding and people who need reassurance."

Rarity sighed, thinking about the destruction. "It's going to take a lot of work to restore Canterlot City."

Sci-Twi smiled optimistically. "But we'll do it together. Just like we always do."

Pinkie Pie bounced excitedly. "And once everything's back to normal, we're having the biggest 'We Saved the City Again' party ever!"

Everyone laughed, the tension and fear finally melting away.

Sunset extended her hand. "Let's go home."

Hand in hand, they stand ready to face the challenges ahead with renewed strength and unbreakable bonds of friendship.


A few days later, Canterlot City was abuzz with activity. Volunteers from all over joined forces to clear debris, rebuild structures, and help those affected by the attack. The Cosmic Guardians have worked tirelessly alongside the citizens; their spirits high despite the hard labor.

Sometime later at Wallflower's house, the Cosmic Guardians were taking a brief respite. It's just when Wallflower and her family came in.

"Hi, Wallflower. How was your family's vacation?" Apple Bloom asked.

"It's great. I'm just worried about my plants, since when my family went back here, the city was demolished." Wallflower exclaimed.

"Well, luckily. Your plants are all safe and taken care of." Sunset said, stepping aside to show their gardening friend the work they have done. Those plants are really looking a lot healthier.

"Aw, I'm so proud of all of you," Wallflower exclaimed, her eyes shining with pride and happiness.

Rarity smiled modestly. "We're just glad everything is great in the end, darling."

Pinkie Pie jumped up, confetti inexplicably exploding around her. "Garden party, anyone?"

Everyone groaned playfully but couldn't suppress their smiles.

The End

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