All 5 of them apear sat in a circle in a blank room. Bill is currently a triangle. In the middle of the circle is a pink circle, who looks oddly like Bill.
Pink Circle: Hi! I'm Patty! Welcome!
Dipper: Whats going on? Why is he here? Points to Bill
Patty: Don't worry, I took his powers. snaps fingers
Bill is now in a human form. He has blond hair, a suit and a eyepatch.
Bill: You can't take my powers. snaps fingers WHAT THE HELL DID YOU DO TO ME
Patty: Langue! I will return your powers and erase your memory of this event once we are done. But for now, you are gonna react to some ships.
Wendy: Sounds cool.
Mabel: I'm in! This is gonna be fun!
Pacifica: Lets just get started.
Patty: I will be supervising. Bill, don't kill anyone. Dipper, don't kill Bill.
Bill and Dipper: Fine.