You will Watch Phineas and Ferb Season 4 Episode 11 online for free episodes with HQ / high quality. Stream cartoons Phineas and Ferb S04E11 La Candace-Cabra/Happy Birthday, Isabella. The boys set out to prove the existence of the elusive Chupacabra to the world, but Candace can’t stand the wait and needs to first just prove it to Mom. Meanwhile, Doofenshmirtz has the brilliant idea to use his Switch-Place-Inator to remove hair from one person and give it to another so that he can in turn sell his hair growing tonic.
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.