PHINEAS AND FERB SET OUT TO STOP A COSMIC COLLISION IN AN ALL-NEW EPISODE OF "PHINEAS AND FERB," FRIDAY, SEPTEMBER 14 ON DISNEY CHANNEL

"When Worlds Collide" - After discovering that a strange planet is hurtling directly towards Danville, Phineas and Ferb set out to avert a disaster, while Buford looks forward to making contact with its alien race. Meanwhile, Dr. Doofenshirmtz hopes to steal the world's largest ball of twine in a new episode of "Phineas and Ferb," premiering FRIDAY, SEPTEMBER 14 (9:00 - 9:15 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.

"When Worlds Collide" was written by Scott Peterson and directed by Rob Hughes.

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