Every day, TVLine’s What to Watch column spotlights new and returning English-language shows (and select movies) premiering or airing fresh episodes across broadcast, cable and streaming — organized below by release time and alphabetically within each slot.
On TV this Wednesday: “Slow Horses” and “South Park” are back, while “Reacher” wraps for the season and spin-off “Neagley” begins.
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Showtimes for September 16, 2026
Average Joe
Joe and the boys are forced into the shadows; Cathy plays a dangerous game and dares to strike a deal with the ruthless Sipho.
The Challenge
Shocking news hits before a bizarre feast; teams face dwindling numbers, fate, hierarchy, and a new pool boy.
Golden Axe
Series premiere: Legendary warriors Ax Battler, Tyris Flare, and Gilius Thunderhead (voiced by Liam McIntyre, Lisa Gilroy, and Matthew Rhys) as they reunite to save Yuria from the evil giant Death Adder, who just won’t seem to stay dead.
Neagley
Prime VideoEIGHT-EPISODE BINGE
Series premiere: In this “Reacher” spin-off, when private investigator Frances Neagley (Maria Sten) learns that a friend from her past has been killed in a suspicious accident, she becomes hell-bent on justice.
Reacher
Season 4 finale: Reacher faces off with those responsible for Anna’s death while Jacob faces a moment of truth; Plum gets his shot at redemption.
Route 187
Series premiere: Along South Winslow’s violence-plagued Route 87, a relentless print journalist investigates a deadly bus ride and uncovers a serial killer who has been operating undetected for years; Christopher Livingston, Taiv Lee, and Elijah Collins star.
Slow Horses
Season 6 premiere: River braces for his grandfather’s funeral; Lamb looks into the death of an ex–Slow Horse.
Ted Lasso
Alice and Ted try stepping outside their comfort zones; Zelda helps with a new problem at Richmond.
Max vs. 100
In this live event, four-time Formula 1 World Champion Max Verstappen attempts to overtake 100 drivers in a massive go-kart race at Silverstone; comedian Mo Gilligan hosts.
America’s Got Talent
America’s votes reveal which six acts from the previous night’s show will move on to the finals, joining the four acts sent straight to the finals with Golden Buzzers.
Big Brother
Six houseguests — including current nominees Barrett, Melody, and Drew — compete for the Power of Veto.
Dancing With the Stars
On Night 2 of the premiere, the female celebrities perform to a No. 1 song from the year they were born — with one female celebrity eliminated at the end of the night.
The Great American Road Rally
Series premiere: Ian Ziering takes audiences on a journey across Route 66, combining adventure, competition, entertainment, community celebration, and philanthropy.
MasterChef
Season 16 finale: Finalists present dishes inspired by their journeys through the Global Gauntlet; a winner is revealed.
The Real Housewives of Salt Lake City
Season 7 premiere: The women of Salt Lake City put their differences aside to support Mary as she copes with an unimaginable loss.
Nation’s Dumbest
Season 1 finale: The last two celebrities go head-to-head, each one desperate to avoid being crowned “The Nation’s Dumbest.”
Totally ’90s House
The teams of ’90s stars compete to renovate retro bathrooms; Keshia, Matthew, and Joey shop for tile, and Brian, Beverley, and Jodie try to deliver a bathroom from this century.
Next Gen NYC
BravoSEASON 2 REUNION (PART 1 OF 2)
Accusations of manipulation and dishonesty spark heated confrontations among the group; Charlie faces questions about his intentions toward Ariana.
Age of Ices
Narrated by David Tennant, the three-week docuseries event follows scientists into Earth’s frozen frontiers to investigate the dramatic changes transforming the planet’s polar regions.
The Ark
Brice nears the breaking point while the crew investigates a secret organization.
DWTS After Party
Host Robert Irwin checks in with eliminated contestants and breaks down the best moments with “DWTS” alumni.
South Park
Comedy CentralAKA South America
Season 29 premiere: When e-bikes arrive in South America, the boys take over the streets and the parents of South America can hardly recognize South America; new episodes air biweekly.
