Phineas and Ferb Season 3 Episode 61
This is Your Backstory
Agent P quickly figures out there is more to Norm's odd reality show that celebrates the eventful life of his creator Dr. Doofenshmirtz, which is recreated through flashbacks and special guests.
Guest Stars
Cloris Leachman
Doof's Mom (voice)
John O'Hurley
Roger Doofenshmirtz (voice)