Phineas & Ferb sæson 3

Season 3 debuted with Platypus Day; the kick off event signaled the series' transition into a franchise. During its run, a television movie was developed, and many more promotions occurred.

Highlights of the season include a birthday clip show, a soccer-centered escapade, two Halloween episodes, a Christmas show, scenarios of different eras, the sequel to the alien adventure, a two-part cliffhanger event, and a retrospective clip show.