What To Watch: Brooklyn 99 Ends, Young Robert Langdon, The Premise, Thursday Night Football And More

Backyard Blowout

Series premiere (all 11 episodes): The unscripted original puts kids in change of renovating their family's backyards.

Dan Brown's The Lost Symbol

Series premiere: Young Harvard symbologist Robert Langdon (played by Succession's Ashley Zukerman) must solve a series of deadly puzzles in order to rescue his kidnapped mentor and thwart a global conspiracy. (Watch trailer.)

The Harper House

Series premiere: In the adult animated comedy, an overconfident female head of household struggles to regain a higher status for herself and her oddball family after losing her job; the voice ensemble includes Rhea Seehorn, Jason Lee, Tatiana Maslany and Gabourey Sidibe. (Watch trailer.)

He-Man and the Masters of the Universe

Series premiere (all 10 episodes): In the CG-animated reboot, an heroic squad of teenage misfits stumble upon the legendary power of Grayskull — and their destiny to defend Eternia from Skeletor.

The Other Two

Brooke is in way over her head at a women's panel. Then in a second episode, Cary begins dating an A-lister who "doesn't comment on his sexuality."

The Premise

Series premiere (first two episodes): B.J. Novak's comedy anthology "engages with the biggest issues of our unprecedented modern era." First up, a social justice ally (The Politician's Ben Platt) discovers evidence of a disrupted police incident in the background of his embarrassing sex tape; Tracee Ellis Ross (black-ish) co-stars. Then in Episode 2, a grieving father (The Punisher's Jon Bernthal) who lost his daughter to gun violence pursues a new job as PR director at the National Gun Lobby. (Watch trailer.)

Slasher

Season 4 finale (two episodes): The surviving Galloways attempt to finish the competition and escape the island; the Gentleman’s identity is revealed.

Brooklyn Nine-Nine

Series finale: Details are being kept "toit"-ly under wraps for the hour-long sendoff, which is titled "The Last Day." (Cool? Coolcoolcoolcoolcoolcoo...) Later, the cast appears on Late Night (at 12:35 am).

Thursday Night Football

Season 15 premiere: The New York Giants take on the Washington Football Team. (Fox's first TNF broadcast of the season airs Oct. 7.)

Tacoma FD

Season 3 premiere: The gang enters quarantine after being exposed to... a potentially infected Capuchin monkey.

♦ ON THIS DAY IN TV HISTORY ♦
Quick, throw an unstructured blazer over a t-shirt and fire up some moody Phil Collins! On Sept. 16, 1984, Miami Vice made its NBC debut.