The 33rd National Memorial Day Concert (PBS, 8 p.m., check local listings) seems less and less like a concert each year, with more personalities (Joe Mantegna, Gary Sinise, Jean Smart, Dennis Haysbert) than actual musicians. But they do have Rhiannon Giddens, Craig Morgan, Brian Stokes Mitchell, Lea Salonga, Pia Toscano and the National Symphony Orchestra, performing from Washington D.C.

“61st Street” (AMC, 10:10 p.m.) has its first season finale.

Michelle Obama has a timely fight against gun violence on “The First Lady” (Showtime, 9 p.m.), where Eleanor Roosevelt deals with racism and Betty Ford substance abuse. 

“Worst Cooks in America” (Food, 9 p.m.) picks a winner on its season 24 finale; but would the worst win or the best of the worst? 

The road ends in Toronto and Mississippi for the first season of “Nomad with Carlton McCoy” (CNN, 9 p.m.)

“American Monster” (Investigation Discovery, 9 p.m.) returns for its eighth season.

An elephant gets an X-ray on “Secrets of the Zoo: Down Under” (Nat Geo Wild, 10:15 p.m.). 

“Home Town Kickstart” (HGTV, 8 p.m.) has a season finale in Linden, La.

Martha goes home to Arkansas on “Gaslit” (Starz, 8 p.m.).