Kelsey Grammer and Alec Baldwin will team up for a new multi-cam sitcom set to premiere in 2021.The as-yet-untitled series follows three former roommates who reunite decades after falling out. Variety reports that the third principal cast member will be announced at a later date.Modern Family co-creator, Chris Lloyd, and writer-producer Vali Chandrasekaran (Modern Family, 30 Rock) conceived the series for 20th Television (formerly 20th Century Fox Television).