Snapped: Killer Couples (2013)

S2E34 Nerdy Dancin'

Feeling uncertain about his dancing abilities, Jeremy agrees to join Candace on a TV show. To help him out, Phineas and Ferb create a gadget that allows Jeremy to mimic a pro dancer's moves. Meanwhile, Dr. Doofenshmirtz and a group of other villains plot to interrupt the show's taping with their sinister message.