What To Watch: Nautilus Finale, Serial Killer's Apprentice And More

To help you anticipate and navigate all that television has to offer across broadcast, cable and streaming, TVLine offers daily, weekly and monthly What to Watch digests, as well as an overview of every new TV show premiering in 2025.

On TV this Sunday: Nautilus wraps Season 1, ID debuts The Serial Killer's Apprentice and The Institute works overtime to maintain its secrets.

Showtimes for August 17, 2025

ET

Big Brother

CBS

A new Head of Household is crowned, and he or she nominates three houseguests for eviction. (Who was last out?)

The Chicken Sisters

Hallmark Channel

Amanda, Nancy and Gus try to mend fences following their Ultimate Kitchen Clash episode's airing.

Dead Girl Summer

Lifetime TV-MOVIE PREMIERE

A young woman goes missing, mirroring a past tragedy involving another girl's death; Savoy Bailey and Sydney Hamm star.

ET

The Great Food Truck Race

Food Network TWO EPISODES

A fan-favorite team gets bad news in Myrtle Beach, S.C.; two teams with serious beef settle the score in Wilmington, N.C.

The Institute

MGM+

Luke and Tim go on a desperate search for help, as Sigsby uses all of her assets in a last-ditch attempt to keep the institute's secrets.

Kings Court

Bravo

The Kings' friends and family uncork the truth about their potential Queens.

Nautilus

AMC TWO EPISODES

Season 1 finale: The Nautilus reaches the treasure, but it's guarded by a band of Valkyrie warriors; the crew attempts to dissolve the East India Mercantile Company for good.

AMC

The Serial Killer's Apprentice

ID

The two-hour documentary revisits one of the most sinister killers in recent history, Dean Corll, with an in-depth interview with his accomplice, Elmer Wayne Henley Jr.

WWE's Greatest Moments

A&E TWO EPISODES

First up is a retrospective of the most memorable moments from the '80s; then at 9:30 pm, Stone Cold Steve Austin, Triple H and more celebrate the career of Booker T.

ET

The Yogurt Shop Murders

HBO

In October 1999, Springsteen and Scott are charged with murder after having confessed to killing the girls; in 2008, DNA from the crime scene turns the case upside down.

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