This is how the Foals got back to Canterlot goes in Welcome to Gravity Falls.
Yuna, Snowdrop, Pound Cake and Pumpkin Cake goes in the Mystery Shack.
Tigatron: Where have you been?
Princess Yuna: We've defeated the gnomes.
Dusty Crophopper: Good job, Yuna.
B.O.B.: That was cool!
Snowdrop: Well, the gnomes got scared of the leaf blowers and ran away.
Turbo: No kidding.
Bronze Bracelet: Stan says, "Find something that was free".
Chet: How bossy can he get?
The foals looked at the stuff in the gift shop.
Princess Yuna: (gets a blue and white pine tree baseball cap and looked on the mirror) That well do the trick.
Snowdrop: I picked grappling hook!
Princess Twila: Grappling hook?
Nellie: What're using it for?
Dipper Pines: Well, it's time for the foals to go back home.
Back in Canterlot.
Princess Yuna: (writing on Journal 4) "Today, ."
Princess Yuna: Can you turn off the lights?
Snowdrop: I'm on it!
(The lights turned off)
Princess Yuna: (narrating)
Meanwhile, Princess Luna goes in , then put a secret code on . She checks if nobody or nopony sees her secret and closes the door of .