Below is a list of the episodes in the third season of Phineas and Ferb. To find out more information about a particular episode, just click on the episode title.

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The Great Indoors

Originally Aired On March 04, 2011

Bad weather spoils Isabella’s plan to earn a Fireside Girl patch, so Phineas and Ferb build a huge biodome to help her. Meanwhile, Candace works herself into a frenzy when she decides that she needs to find out what Jeremy likes about her. Over at Evil Inc., Dr. Doofenshmirtz is trying to rain out a big soccer game, just so he can watch his favorite Mexican soap opera.