Phineas and Ferb Season 4 Episode 38
The Klimpaloon Ultimatum
Phineas and the gang help Love Händel prove the existence of Klimpaloon, the magical old-timey bathing suit that lives in the Himalayas, to verify that their song, "The Ballad of Klimpaloon", is legitimate.
Guest Stars
Jaret Reddick
Danny (voice)
Carlos Alazraqui
Bobby (voice)
D. B. Sweeney
Slamm (voice)
Jon Stewart
Mr. Random (voice)
John O'Hurley
Roger Doofenshmirtz (voice)