Phineas and Ferb S4E19 · Happy Birthday, Isabella

Phineas and Ferb

Season 4 · Episode 19 · Happy Birthday, Isabella · 11 min

Phineas and the gang celebrate Isabella's birthday in a big way, but all she really wants is some quiet time with Phineas. Meanwhile, Doofenshmirtz has installed his Bugs Me-Inator onto an evil bug bus and is driving around Danville turning all the things that bug him literally into bugs.