It's called Extended Family. Note the emphasis on the "ex."
The plot of the show, according to NBC's website.
After an amicable divorce, Jim and Julia decide to continue to raise their kids at the family home while taking turns on who gets to stay with them. Navigating the waters of divorce and child-sharing gets more complicated for Jim when Trey, the owner of his favorite sports team, enters the picture and wins Julia’s heart."
Co-starring with Cryer are Donald Faison, Abigail Spencer, Sofia Capanna, and Finn Sweeney.
Mike O’Malley, who was a part of the Glee cast, as well as host of the Nick game shows GUTS and Get the Picture, is the writer and executive producer of the new show.
Starting 1/2/24, and every Tuesday thereafter, Extended Family airs at 8:30/7:30c on NBC and streams next day on NBC's streaming service, Peacock.