Snapped: Killer Couples (2013)

S1E3 Flop Starz

Phineas and Ferb set out to create a catchy one-hit wonder, forming a band called the Ferb-Tones, and Candace is thrilled to land an opportunity to perform with them. At the same time, Perry has to thwart Doofenshmirtz's latest scheme involving a colossal robot that's posing as a temporary employee.