1. Partying is Such Sweet Soiree
Aired: Jan 20, 2005Mac tries to thwart Bloo's plans for a party.
When Mac accidentally imagines another friend, Bloo suffers sibling rivalry with the newly arrived and very odd Cheese.
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.