
A new singing competition comes to Fox. And “The Truman Show,” starring Jim Carrey, is on Netflix.
What’s on TV
NASHVILLE 9 p.m. on CMT. “Nashville” has outlived a cancellation and the departure of a star, but after six seasons, this resilient and heartwarming drama will finally face the curtain. The final season begins on Thursday and finds Hayden Panettiere in the spotlight as Juliette (her co-lead and original antagonist, Connie Britton, departed in Season 5) as her character faces depression, a bumpy career and an ever-turbulent relationship with Avery (Jonathan Jackson). The season also will feature Rhiannon Giddens in a recurring role.
THE FOUR 8 p.m. on Fox. This latest singing competition show is reverse-engineered: It starts with four finalist singers who have already been seated in glowing chairs. New contestants audition for a panel made up of DJ Khaled, Meghan Trainor, Sean Combs and the record label executive Charlie Walk; if all four judges approve of a performance, the singer then chooses one of the finalists to battle and potentially knock off. Fergie hosts the show.
KILLING FIELDS 9 p.m. on Discovery. The third season of this true crime series heads to an isolated farming community in Virginia, where in 2004, 28-year-old Carrie Singer was found beaten to death. More than a decade later, the lead investigator, Randy Patrick, reopens the case, examining evidence with newly available technology.

THE UNTITLED ACTION BRONSON SHOW 11:30 p.m. on Viceland. A sitar player or an Albanian orchestra might wander in, or a crew might be making a gingerbread house in the corner. You never know quite what to expect on Action Bronson’s new variety show, which derives its charm from being highly distractible. “It is a joyously disorienting pleasure, bringing high production values to public access chaos,” Jon Caramanica wrote in The New York Times. Thursday’s episode features the whimsical rapper D.R.A.M. and the chef Einat Admony; DESUS & MERO leads in to dissect recent news and culture with caustic wit at 11.
What’s Streaming

THE TRUMAN SHOW (1998) on Netflix. Another film exploring life in a bubble, “Downsizing,” arrived in theaters last month. But while the characters in that film opt in to their new existences, Truman Burbank (Jim Carrey) remains blissfully unaware that he is the star of a worldwide show documenting every moment of his life. The unexpected appearance of his supposed father begins the unraveling of what he thought was his sunny suburban reality; the movie skillfully explores celebrity culture and the surveillance state. In her review in The Times, Janet Maslin called Mr. Carrey “the ideal actor for the role, since his beaming affability so often conveys an edge of secret fury.” She added, “Warm, affecting and refreshingly shtickless, he occupies center stage here through sheer, beguiling force of personality.”
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