Author's Note

Look at the mess you've made, Officers Mess! (Also I've never played Stargate, sorry RandomCommentor)

ponies discovered Ranchlantis?

"Woah."

Twibright Smirkle, distant descendant of Twilight Snarkle, distant descendant of Twilight Sparkle, pointed at the screen. "This. This is it! Ranchlantis!"

"Oh hey, I remember that place," Celestia walked up behind her. "'Tis a shame what happened to it. Care to explore my former home?"

"Wait--explore?" Twibight didn't have any time to respond before Celestia teleported her directly into a diving suit and booted her off the research vessel.