The BEST episodes written by Kim Roberson
#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
#2 - Happy Birthday, Isabella
Phineas and Ferb - Season 4 - Episode 19
Phineas and the gang celebrate Isabella's birthday in a big way, but all she really wants is some quiet time with Phineas. Meanwhile, Doofenshmirtz has installed his Bugs Me-Inator onto an evil bug bus and is driving around Danville turning all the things that bug him literally into bugs.
#3 - Sidetracked
Phineas and Ferb - Season 4 - Episode 7
Agent P teams up with an estranged former human partner named Lyla to stop a hijacked train to save the train's passengers and Canada's national treasure - a moose named Albert.
Watch Now:Apple TV
#4 - Phineas and Ferb Hawaiian Vacation (1)
Phineas and Ferb - Season 2 - Episode 53
The Flynn-Fletcher Family go on a vacation to Hawaii. While they are there, Phineas and Ferb make living sea creatures, Candace find a lava necklace of bad luck, and Doofenshmirtz creates a De-Evolution-inator.
Watch Now:Apple TV
#5 - Cheers for Fears
Phineas and Ferb - Season 4 - Episode 28
When Candace is stumped about what to get Jeremy for his birthday, she reluctantly asks Phineas and Ferb for their help in creating the ultimate gift. Meanwhile, Doofenshmirtz plans to make fears a reality with his Worst-Fear-Inator, but his plans backfire when he finds himself battling his own fears instead.
#6 - Just Desserts
Phineas and Ferb - Season 4 - Episode 17
Phineas and Ferb build a wall for climbing. Candace is recording a Fireside Girls book with Irving and loses her voice. Meanwhile, Dr. Doofenshmirtz creates the Just-Desserts-inator.