Where To Stream Phineas and Ferb Season 4 Episode 19
Happy Birthday, Isabella
- Aired July 12, 2013
- 15 Min
- Rated 7.8
- Number 241 Of 247 Rated Episodes
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.