The revival of ‘Phineas and Ferb’ has started well for Disney, and the show’s creators think they know why viewers were glad to revisit the show.

Discover showtimes, read reviews, watch trailers, find streaming options, and see where to watch Phineas and Ferb: Last Day of Summer (2015). Explore cast details and learn more on Moviefone.

Have you ever wondered why there are *104* days of summer vacation? "Phineas and Ferb" creators Dan Povenmire and Jeff "Swampy" Marsh reveal the answer.

Creators Dan Povenmire and Jeff “Swampy” Marsh discuss Doofenshmirtz and Candace going to the same therapist and the return of Meap the alien.

There’s 104 days of summer vacation, and in 2015 it wasn’t school that came along to end it, but Disney Channel. Now, almost exactly 10 years after ending with Season 4, “Phineas and Ferb ...