The Simpsons from season 1 to season 8, when it was the greatest animated show in the history of mankind. After season 8, Mike "Panda Rape" Scully decided to abandon all character development and realism, and turn the Simpsons into a gag-fest, which continues to suck even to this day.
Dumb User: Hey, I'm gonna go watch some season 12! Dur Hur!
Smart User: Only the Classic Simpsons are worth watching.