This is an episode of The Super Wario Bros. Wah-wah Show!
Wario: Uh-oh. My legs?!!?!? They're missing! No visible legs!
Bowser: Hi, War--hey, where are your legs?
Wario: I dunno, but now I can pretend to be able to levitate.
Wario: (his legs reappear) Crud. Oh well. Abracabacon! (levitates)