That perpetual train with the survivors of a future, frozen earth, fires up again with the fourth and final season of “Snowpiercer” (AMC, 9 p.m.), which has already traveled all the way from TNT, which ran its first three seasons. Jennifer Connelly returns with Daveed Diggs and Sean Bean; added to the cast are Michael Aronov and Clark Gregg. Among those not expected back are Archie Panjabi, Annalise Basso and Steven Ogg because of events of season three, which ended in March 2022. AMC obtained the rights to the first three seasons and have been running those as well.
The new reality series “Forbidden Love” (TLC, 10 p.m.) tracks couples with complications, mostly stemming from coming from different religious backgrounds.
“Professor T” (PBS, 8 p.m., check local listings) looks into a suspicious death at a crash scene in the show’s season finale.
An archaeologists murder is the case on “Grantchester” (PBS, 9 p.m., check local listings).
“D.I. Ray” (PBS, 10 p.m., check local listings) ends her season with the discovery of a missing gun.
It’s 7-Up vs. Mountain Dew on “The Food That Built America” (History, 9 p.m.).
“In the Eye of the Storm” (Discovery, 10 p.m.) tracks a derecho that tore through Iowa and Nebraska in 2020.
Even though she’s Head of Household, Angela seems to be losing it on “Big Brother” (CBS, 9 p.m.) already.
“Biography: WWE Legends” (A&E, 8 p.m.) devotes two hours to Mark Henry, the former powerlifter and Olympian competitor who turned to pro wrestling. Then Booker T gets his story told at 10.
“Naked and Afraid: Last One Standing” (Discovery, 8 p.m.) digs through elephant scat.
Kira’s research catches the attention of Paul on “Orphan Black: Echoes” (AMC, BBC America, 10:08 p.m.).
“The Great Food Truck Race” (Food, 8 p.m.) reaches Biloxi.
New York City is the site for “Alex vs. America” (Food, 9 p.m.).
“House of the Dragon” (HBO, 9 p.m.) sees brother-on-brother confrontation in King’s Landing.
Roman and Nestor are on the edge of a bloody war on “Hotel Cocaine” (MGM, 9 p.m.).
On “Emperor of Ocean Park” (MGM, 10 p.m.), the judge finds another person close to his family has been murdered.
A takhi hoof trim goes wrong on “Secrets of the Zoo: Down Under” (Nat Geo World, 9 p.m.).
“Hunting Atlantis” (Travel, 8 p.m.) looks at cave paintings in Turkey.
Turner Classic Movies prepares for the Olympics with “Chariots of Fire” (8 p.m.) and “Jim Thorpe – All American” (10:15 a.m.). The silent movie at midnight is “West Point” (12:15 a.m.). Later comes Ingrid Bergman in two imports, “Dollar” (2 a.m.) and “Fear” (3:30 a.m.).
Baseball has Boston at Dodgers (ESPN, 7 p.m.).
Final rounds are played in the Open Championship (NBC, 7 a.m.) from Scotland.
NASCAR runs its Brickyard 400 (NBC, 2 p.m.).
NBA Summer League play has LA vs. Memphis (ESPN, 2 p.m.), Orlando vs. Minnesota (NBA, 3 p.m.), Golden State vs. Miami (ESPN, 4 p.m.), Philadelphia vs. Boston (NBA, 5 p.m.), Charlotte vs. Brooklyn (ESPNU, 6:30 p.m.), Toronto vs. San Antonio (NBA, 7 p.m.), Detroit vs. Utah (ESPNU, 8:30 p.m.), and Houston vs. Portland (NBA, 9 p.m.).
Sunday Talk
ABC: House Speaker Mike Johnson, Sen. Jo Manchin, Rep. Ro Khanna. CBS: Manchin, Reps. Mike Turner and Dean Phillips, former Rep. Cedric Richmond, Biden campaign chair. CNN: Johnson, Manchin, Rep. James E. Clyburn, Colorado Gov. Jared Polis. Fox: Reps. James Comer and Jake Auchincloss, Democratic strategist Lindy Li.