A bright new comedy from Paul Feig, “Welcome to Flatch” (Fox, 9:30 p.m.), concerns the minor doings of a small Ohio town as is revealed by a documentary crew. Based on the British series “My Country,” this one stars a number of newcomers from Chelsea Holmes to Sam Straley as well as Seann William Scott, as local clergy, and Aya Cash as a local news reporter. The first episode has to do with the annual Scarecrow Festival. 

March Madness begins in earnest with the beginning of the NCAA men’s basketball championship with a blizzard of first round games: Michigan at Colorado State (CBS, 12:15 p.m.), South Dakota State at Providence (truTV, 12:40 p.m.), Memphis at Boise State (TNT, 1:45 p.m.), Norfolk State at Baylor (TBS, 2 p.m.), Longwood at Tennessee (CBS,, 2:45 p.m.), Richmond at Iowa (truTV, 3:10 p.m.), Georgia State at Gonzaga (TNT, 4:15 p.m.), Marquette at North Carolina (TBS, 4:30 p.m.), New Mexico State at UConn (TNT, 6:50 p.m.), Saint Peters at Kentucky (CBS, 7:10 p.m.), Indiana at Saint Mary’s (TBS, 7:20 p.m.), Creighton at San Diego State (truTV, 7:27 p.m.), Vermont at Arkansas (TNT, 9:20 p.m.), San Francisco at Murray State (CBS, 9:40 p.m.), Akron at UCLA (TBS, 9:50 p.m.) and Texas Southern at Kansas (truTV, 9:57 p.m.).

The new series “Minx” (HBO Max, streaming) is about a feminist who agrees to help create the first erotic magazine for women in 1970s Los Angeles. Ophelia Lovibond and Jake Johnson star. 

Not to be confused with the syndicated gossip show, “DMZ” (HBO Max, streaming) is a four-episode miniseries based on the comic book series, starring Rosario Dawson and Benjamin Bratt, about a metic in a dystopian demilitarized Manhattan during the second Civil War.