Currently available on 2 streaming services.

Streaming, rent, or buy Phineas and Ferb – Season 1:

Currently you are able to watch "Phineas and Ferb - Season 1" streaming on Disney Plus, TV 2 Play.

Cast

Vincent Martella
Phineas Flynn (voice)
Thomas Brodie-Sangster
Ferb Fletcher (voice)
Ashley Tisdale
Candace Flynn (voice)
Caroline Rhea
Linda Flynn-Fletcher (voice)
Dee Bradley Baker
Perry the Platypus (voice)
Alyson Stoner
Isabella Garcia-Shapiro (voice)
Dan Povenmire
Heinz Doofenshmirtz (voice)
Bobby Gaylor
Buford Van Stomm (voice)
Jeff 'Swampy' Marsh
Francis Monogram (voice)
Maulik Pancholy
Baljeet Tjinder (voice)
Richard O'Brien
Lawrence Fletcher (voice)
Kelly Hu
Stacy Hirano (voice)
Mitchel Musso
Jeremy Johnson (voice)
Tyler Alexander Mann
Carl Karl (voice)