Note: With the coronavirus pandemic delaying production on several shows, several of our picks below come with an asterisk, as delays could push premiere dates past 2021. Premieres Thursday, Jan. 7 on NBCIn recent years, NBC's must-see Thursday night sitcoms have been coming in bits and pieces rather than a full-fledged block, but two people who have been huge parts of NBC's glory days of yore — Cheers' and The Good Place's Ted Danson and 30 Rock's Tina Fey — are hoping to build a foundation