Learn all about how these groundbreaking sitcoms challenged norms, tackled social issues, and redefined the genre, from The Simpsons to I Love Lucy.

On top of putting viewers in some unsettling headspaces, Peep Show also fearlessly tackles all sorts of taboo subjects ...

From I Love Lucy to Seinfeld to South Park, this is Collider's ranking of the greatest sitcoms in TV history.

From The Office, to Cheers, to Seinfeld, these sitcom masterpieces all rank among the best TV shows of all time.

For many decades, sitcoms have dominated lists of the most successful TV shows. The typical sitcom format includes not just situational comedy, but an ensemble of stars, series regulars, and guest ...

Even television's best sitcoms have low points in which the shows become borderline unwatchable. Many of us remember our initial skepticism of Season 1 of "Parks and Recreation," and the last season ...