FOX

FOX is a television channel that the Simpsons watch a lot. Moe Szyslak isn't allowed to show it in his bar anymore after getting fired from American Idol.

Future
FOX gradually changed into a hardcore porn channel. It changed so gradually that no one really noticed it.

Behind the Laughter
The Fox Broadcasting Company is a real television network that airs The Simpsons,  Family Guy, and formerly Futurama.