1) “Peacemaker” season-opener, HBO Max. James Gunn and John Cena are a perfect match. Gunn is the writer-director of the “Guardians of the Galaxy” films, “Superman” and “Peacemaker,” with Cena as a jingoistic superhero (shown here) and/or supervillain. Both men blend action and humor neatly. Now, three-and-a-half years later, the second season finally begins.
2) Baseball, 7:15 p.m. ET, Fox. Saturday is usually Fox’s baseball night. This week, however, that’s reserved for an event: On Saturday, Fox has one of the five games getting college football off to an extra-early start. Baseball slides to tonight, with (varying by region) Red Sox-Yankees or Astros-Orioles.
3) “Songs & Stories With Kelly Clarkson,” 8 p.m., NBC. Here’s a quick rerun of Tuesday’s opener; the Jonas Brothers join Clarkson for conversation and unplugged music. It’s followed by a crossover two parter that has “Law & Order” (9 p.m.) and “Law & Order: Special Victims Unit” (10) probing rapes and murders of marginalized women.
4) “Celebrity Family Feud,” 8 p.m., ABC. It’s a double night for likable actor Jason Ritter. Here, he competes with Andy Richter; another half-hour has Michelle Buteau against Normani. At 10 p.m., Ritter has his regular role as a lawyer in CBS’ “Matlock.” This is a particularly good episode, with Matty and Sarah going undercover at a nursing home.
5) “Georgie & Mandy’s First Marriage,” 9 p.m., CBS. This is the first Mother’s Day in which Georgie tries to keep everyone — his mom, his wife and her mom — happy. It’s a funny rerun in which his mother-in-law insists on finally meeting her son’s girlfriend.