1) Peacock debut, www.peacocktv.com. A new streaming giant – the size of Netflix or Disney+ or HBO Max – arrives. This one is free, but you can pay extra to add shows and dump commercials. It’s stuffed with great old shows from NBC (“Frasier,” “30 Rock”) and beyond (“Downton Abbey”), plus movies, and new shows – an eight-part “Brave New World” (shown here), a David Schwimmer comedy, a conspiracy thriller, a “Psych” movie and animation, with “Curious George,” “Cleopatra in Space” and “Where’s Waldo?”
2) “United We Fall” debut, 8 and 8:30 p.m., ABC. We don’t expect to get a new situation comedy in the summer. ABC had planned it for this spring … hesitated when it thought it might air the show this fall … then decided not to and plunked it here. Will Sasso (who has been Jill’s cop boyfriend on “Mom) and Christina Vidal play parents, with Jane Curtin as his mom, who lives with them and tends to disapprove. Guillermo Diaz, who was Huck in “Scandal,” plays Vidal’s brother.
3) “The 100,” 8 p.m., CW, and “Agents of SHIELD,” 10 p.m., ABC. Each Wednesday has two new science-fiction episodes, with an hour in between to recuperate. On CW, Murphy and Indra must defuse a tense situation. On ABC, the ship’s time-trek device is haywire and the team literally races toward disaster. Yo-Yo Rodriguez might be able to save them, but she would need help from an old enemy.
4) “Snapped,” 8 p.m., Oxygen; rerunning at 11. One day after the eight-part Betty Broderick mini-series ended on USA, we get a documentary. Broderick has been played by Meredith Baxter (in two TV movies) and Amanda Peet (in the mini-series). Now we see the real person – wealthy, with four kids and $16,000 in monthly alimony and child support – who admitted killing her ex-husband and his new wife. Despite the simplistic and overheated narration, it’s a fairly interesting story.
5) “At Home With Amy Sedaris,” 10 p.m., TruTV, rerunning at midnight. Ann Dowd, the Emmy-winning “Handmaid’s Tale” villain, guests, as we find Amy desperate to be honored for a recipe. Some of Dowd’s scenes (satirizing the purple prose of some food critics) are quite funny; others (Amy rebuffing lesbian advances) probably would have seemed funnier years ago.