These are the sitcoms that helped us laugh, cry, and grow along with their characters. For this list, well be looking at the TV series that have redefined the genre, bringing in everything from comedic variety to character quality. Our countdown includes Schitt's Creek (2015-2020), Cheers (1982-1993), The Fresh Prince of Bel-Air (1990-96), The Office (2005-2013), and more!Watch more great sitcom videos here:Top 20 Darkest Sitcom Moments Ever: