Earth

Twilight was trotting through the library with some books levitated around. Some of the titles were "Spells", "Alternate Universe Spells", "Advance Spells" and "Master Spells".

"No, no, no, no, no, no, no!" she said, reading the books for a spell. "I can't find the spell!"

"What spell?" asked Spike, looking at her.

"Princess Celestia asked me to look for a spell to another universe called Earth" answered Twilight, reading every page.

"Twi, I think you should stop searching for a moment" Spike said, covering his stomach. "I'm hungry!"

"Spike, this is important! Princess Celestia will get me out of her studies" replied Twilight.

An idea flashed through Spike's mind.

"What if you create your own spell? Like, mixing some spells to get one?" he said.

"Great idea, Spike!" Twilight said, hugging him.

She checked the books. She used the Human Spell, the Portal Spell and the Alternate Universe Spell. When she combined the spells, her horn created a white glow. Some pink spirals surrounded the glow. Spike and Twilight floated in a bubble which got smaller and smaller until it disappeared with a small white star behind it.

They got teleported into a strange world. They were in the front of a house! Twilight opened the door.

"Uh, hello?" she asked, but no reply.

They got inside the house and patronized it. They went in a huge room. It was the living room.