1) “Grantchester” season-finale, 9 p.m., PBS. Last week, Geordie (a cop) traced possible info about the birth mother of Alphy (a vicar). Alas, Alphy raged.at the intrusion, Now there are deep emotions for these friends (shown here) to unpack — while solving a complex case that includes a right-wing activist, bomb threats and a key assist from Larry, the newlywed cop.
2) More finales. “The Chi” (9 p.m., Showtime) wraps its season with Emmett dealing with the birth of his baby and the crumbling health of his mother. “Atlantic Crossing” r10 p.m., PBS) closes with Franklin Roosevelt’s health failing, the Norwegian princess’ marriage wobbling, but the war going well.
3) “Nautilus,” 9 p.m., AMC. There’s maritime trouble everywhere. At 6 p.m., AMC has “Jaws” (1975); at 9, it finds the Nautilus and its pursuer wedged in the Arctic ice. There’s a temporary truce, some good scenes and some that will befuddle those of us who don’t know how to play cricket.
4) “Freaky Friday” (2003), 8:33 p.m., ABC. With the sequel (“Freakier Friday”) coming Friday, ABC has a Lindsay Lohan streak. She was 17 when this film debuted, with a mom (Jamie Lee Curtis) and daughter switching bodies. She was 12 when next Sunday’s “Parent Trap” opened. Both remake excellent films, starring Jodie Foster and Hayley Mills, respectively.
5) “Tracker,” 9 p.m., CBS. This is the second of three episodes (so far) linking Jason Hartley with his real-life wife, Sofia Pernas, the former “Blood & Treasure” star. She plays Billie, Colter’s ex-colleague, ex-lover and current competitor. They’re hired when a high school baseball star vanishes.
— Mike Hughes, TV America