1. Challenge of the Superfriends
Aired: Apr 28, 2006When a large, dangerous imaginary friend begins to destroy the city, Imaginar...
After Frankie leaves the keys in the bus, Bloo takes Mac on a joyride and gets lost. Wilt promises to keep it a secret, but has trouble not telling anyone.
Current Status: Ended
Network: Cartoon Network
Production Countries: Canada, United States
Foster's Home for Imaginary Friends: Where to Watch Online?
It is also possible to rent or buy on Amazon, AppleTV, Google Play, YouTube online.