Phineas and Ferb (2007)

S4E18 La Candace-Cabra

The boys embark on a quest to demonstrate the reality of the mysterious Chupacabra, but Candace grows impatient and decides she must show it to Mom first. Meanwhile, Doofenshmirtz hatches a clever plan involving his Switch-Place-Inator, aiming to transfer hair from one individual to another. His goal is to market his hair growth tonic more effectively by using this unusual method.