Dateline (NBC at 9) The cold case of missing 12-year-old Jonelle Matthews gets new life after detectives narrow in on a suspect three decades after her disappearance.
20/20 (ABC at 9:01) After a mother and daughter are slain, the killer sends taunting letters.
The 12th Victim (Showtime at 8) This docuseries chronicles the terrifying murder spree of teen Charles Starkweather and his 14-year-old girlfriend, Caril Ann Fugate, which became one of the first true-crime stories to unfold on television.
Hello Tomorrow! (Apple TV Plus) In a 1960s vision of a futuristic world, charismatic salesman Jack Billings and his team sell time-shares on the moon.
You Can’t Escape Me (Lifetime at 8) An artist flees her abusive husband to find temporary refuge with a college friend in Seattle.
Sharper (Apple TV Plus) Julianne Moore and Sebastian Stan star as mother and son who plot to take down Manhattan billionaires in this neo-noir thriller.
Animaniacs (Hulu) Season 3.
Carnival Row (Prime Video) Season 2.
Tonight Show/Fallon (NBC at 11:34) Adam Scott, Elizabeth Debicki, Nathan Macintosh.