WUP Drive Worm Hole/Gravity Ball When a wormhole opens in Tree House Mission Command, Chip walks through into an Alien World across the Galaxy and returns with a six-legged alien bunny. With the wormhole closed, how will they get this strange bunny home? Rocket Club competes in "Gravity Ball" an exhilarating full-contact flying game of American Football meets Quidditch. It's a sport they excel at until they face "Calvin's Conquerors" with his illegal androids masquerading as humans..