The BEST episodes written by Mike Diederich

Last Day of Summer
star
8.45
150 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
Mind Share
star
8.15
103 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
Der Kinderlumper
star
8.03
107 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
One Good Turn
star
7.65
56 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.