PHINEAS AND THE GANG TRAIN DOMESTICATED SQUIRRELS TO SURVIVE IN THE WILD IN AN ALL-NEW EPISODE OF "PHINEAS AND FERB," MONDAY, SEPTEMBER 17 ON DISNEY CHANNEL

"What'd I Miss?" - Phineas and the gang introduce Ferb and Perry to their newest project - training domesticated squirrels to live in the wild. Meanwhile, Dr. Doofenshmirtz aims to do a better job of seeing through his evil plans now that Agent P is back, in a new episode of "Phineas and Ferb," premiering MONDAY, SEPTEMBER 17 (7:15-7:30 p.m., ET/PT) on Disney Channel.

"Phineas and Ferb" stars Vincent Martella as Phineas Flynn, Thomas Sangster as Ferb Fletcher, Ashley Tisdale as Candace Flynn, Mitchel Musso as Jeremy, Caroline Rhea as mom Linda Flynn-Fletcher, Richard O'Brien as dad Lawrence Fletcher, Dee Bradley Baker as Perry the Platypus, Alyson Stoner as Isabella, Jeff "Swampy" Marsh as Major Monogram and Dan Povenmire as the nefarious Dr. Doofenshmirtz. "Phineas and Ferb" is a production of Disney Television Animation.

"What'd I Miss?" was written by Scott Peterson and directed by Rob Hughes.

"Phineas and Ferb" carries a TV-G parental guideline.