The new series “1,000-lb Best Friends” (TLC, 10 p.m.) concentrates on a new pair of the morbidly obese.
Following homecoming, the band looks to its next big event on “March” (CW, 8 p.m.).
“Twenties” (Showtime, 9 p.m.) begins a new season with a pair of episodes.
The railroad business turns dark on “The Gilded Age” (HBO, 9 p.m.).
The talk and variety show “Social Society” (AllBLK, streaming) returns for a second season with new cohosts Angela Simmons, Reginae Carter and Kendra G.
The comedic mystery series “Agatha Raisin” (Acorn TV, streaming) returns for a new season.
“The Bachelor” (ABC, 8 p.m.) moves his brood to Galveston, with the Shanae question still unresolved.
The alliances on “Big Brother: Celebrity Edition” (CBS, 9 p.m.) seem pretty flexible.
Mildred rallies the troops on “4400” (CW, 9 p.m.).
“Secrets of Playboy” (A&E, 9 p.m.) looks at drug investigations in the mansion in the 1970s.
There is some pushback from actual offspring on “Adults Adopting Adults” (A&E, 10 p.m.).
“Below Deck” (Bravo, 8 p.m.) has its reunion,
Lindsay is having fun on “Summer House” (Bravo, 9 p.m.).
“Celebrating Betty White: America’s Golden Girl” (E!, 10:30 p.m.) gets a replay on cable.
Six remaining bakers make zebra cakes on “Kids Baking Championship” (Food, 8 p.m.).
Turner Classic Movies begins a month of Monday night films on breakups, starting with “The Divorcee” (8 p.m.), “Goodbye Again” (9:30 p.m.), “Forsaking All Others” (10:45 p.m.), “Indiscretion of an American Wife” (12:15 a.m.) and “That Uncertain Feeling” (1:30 a.m.).
During the day are racing daredevils in “Red Hot Tires” (6:30 a.m.), “They All Come Out” (7:45 a.m.), “The Green Helmet” (9 a.m.), “Violent Road” (10:45 a.m.), “Corvette Summer” (12:15 p.m.), “Bullitt” (2:15 p.m.), “Speedway” (4:30 p.m.) and “Spinout” (6:15 p.m.).
Basketball includes Phoenix at Chicago (NBA, 8 p.m.).
Men’s college hoops includes Virginia at Duke (ESPN, 7 p.m.), Furman at East Tennessee State (ESPNU, 7 p.m.), Arizona at Arizona State (Fox Sports 1, 9 p.m.), Kansas at Texas (ESPN, 9:30 p.m.) and Alabama A&M at Grambling (ESPNU, 9 p.m.).
Women’s games include Georgia Tech at NC State (ESPN2, 6 p.m.).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Laverne Cox, Dale Talde. The View: Dr. Ashish Jha. The Talk: Joanna Garcia Swisher. Ellen DeGeneres: Chelsea Handler, Scott Eastwood. Drew Barrymore: Nicole Byer, Edy Massih. Kelly Clarkson: Charlie Puth, Troy Aikman. Wendy Williams: Fat Joe, Remy Ma. The Real: Mona Scott-Young.
Late Talk
Stephen Colbert: Bradley Cooper, Robert Finley with Dan Auerbach (rerun). Jimmy Kimmel: Keegan-Michael Key, Jennifer Coolidge, Sylvan Esso. James Corden: Jamie Foxx, Coldplay with We Are King & Jacob Collier (rerun).