With 55 Emmy nominations under its belt, this celebrated sitcom has cemented itself as one of the most popular TV series of all time. In its sixth season, Ross (David Schwimmer) doesn't tell Rachel (Jennifer Aniston) that their accidental marriage wasn't annulled, but he does tell an enraged Phoebe (Lisa Kudrow). Monica (Courteney Cox Arquette) and Chandler (Matthew Perry) move in together, and Joey (Matt LeBlanc) has to find a new roommate.