1) “National Memorial Day Concert,” 8 p.m., PBS, rerunning at 9:30. The Washington event (shown here in a previous year) usually draws a megacrowd. It was canceled this year, but the TV show — with passionate tributes and powerhouse music — continues. A few tributes and choral groups will rerun from past years, but there are new performances — taped by small crews — from stars of country (Trace Adkins), classical (Renee Fleming) and Broadway – Tony-winners Cynthia Erivo and Kelli O’Hara and Tony-nominee Christopher Jackson.
2) “Little Big Shots” season-finale, 7 and 8 p.m., NBC. Melissa McCarthy took over from Steve Harvey this year, hosting a fun assortment of talented kids. That’s followed by “The Wall” at 9 p.m. (a mother and daughter who are nurses and have also rescued more than 150 animals) and at 10.
3) “Titanic” (1997), 7-11 p.m., CBS. This is a rarity – a Sunday without “60 Minutes.” The show – a perennial ratings hit and moneymaker – gets the night off so “Titanic” can start at 7. It’s a long movie, but (another rarity) one with sharp writing and performances. More movies? Freeform has the animated fun of “Toy Story” movies at 2:40, 4:40 and 6:45 p.m. Turner Classic Movies continues its Memorial Day weekend of military movies, including Steve McQueen in “Sand Pebbles” (1966) at 4:30 p.m. ET.
4) Game shows, 8-11 p.m., ABC. These shows – solid hits each summer – start their seasons next Sunday. For now, here are reruns: At 8 p.m., Steve Harvey hosts “Celebrity Family Feud” (including a pop collision between Chainsmokers and 5 Seconds of Summer).Then Elizabeth Banks hosts “Press Your Luck” at 9 and Alec Badwin hosts “Match Game” (with actors who have played doctors) at 10.
5) Also: One cable series ends its season (the HBO comedy “Run,” at 10:30 p.m.) and another has just begun. “Snowpiercer” debuted last week, with a post-apocalyptic train in perpetual motion; like the Titanic, the train has a sharply divided classes. Tonight, Layton (Daveed Diggs) probes a murder and Melanie (Jennifer Connolly) ponders a severe shortage of resources.