The BEST episodes written by Mike Diederich
8.46
148 votes
#1 - Last Day of Summer
Phineas and Ferb - Season 4 - Episode 48
It's the last day of summer and Phineas and Ferb decide to seize the day. Unfortunately for Candace, this means it's also her last chance to bust her brothers... or is it?
Watch Now:Amazon
8.16
99 votes
#2 - Mind Share
Phineas and Ferb - Season 4 - Episode 9
The gang switches bodies with alien tourists for a free intergalactic vacation.
Watch Now:AmazonApple TV
8.05
102 votes
#3 - Der Kinderlumper
Phineas and Ferb - Season 4 - Episode 6
The boys create Rutabaga-themed vehicles when Candace is chosen to be Rutabaga princess and gets to start the "Running of the Chinchillas." Across town, Doofenshmirtz plans to turn himself into a real live Kinderlumper to scare Roger into relinquishing control of the Tri-State Area over to him.
Watch Now:AmazonApple TV
7.62
54 votes
#4 - One Good Turn
Phineas and Ferb - Season 4 - Episode 21
Candace and Stacy compete in Phineas and Ferb’s Ultimate Obstacle Course. Doofenshmirtz plans to humiliate his brother, the Mayor.