Phineas And Ferb Season 4 Episode 20 -

Airdate: 2013-Sep-13

Episode summary:

Spider-Man, Iron Man, Thor and Hulk stand powerless after being struck by Dr. Doofenshmirtz's power-draining "inator". Once the Marvel Super Villains - Red Skull, Whiplash, Venom and M.O.D.O.K. find out that Dr. Doofenshmirtz is responsible for robbing the superheroes of their powers, they seek him out and together create mayhem in Danville. Meanwhile, Phineas and Ferb do everything they can to restore the superheroes' powers before the evil villains take over the world.

About Phineas And Ferb series:

An animated comedy about two stepbrothers who find inventive things to do on each day of their summer vacation such as building a roller coaster ou...Show more >