What To Watch: Network Stars Finale, Sunday Night Football And More

On TV this Thursday: A Legend of Tomorrow baddie and a Dexter casualty team up on Battle of the Network Stars, Sunday Night Football kicks off on NBC and a Once Upon a Time newbie signs The Guest Book. Here are 10 programs to keep on your radar:

Showtimes for September 7, 2017

ET

Battle of the Network Stars

ABC

Season 1 finale (two episodes): First up, it's Famous TV Families (Danny Bonaduce, Barry Williams, Beverley Mitchell, Willie Aames and Charlene Tilton) vs. TV Doctors (Thomas Calabro, Taye Diggs, Rachelle Lefevre, Deidre Hall and Benjamin Hollingsworth). Then at 9, it's Troublemakers (Vivica A. Fox, Paul Johansson, John Barrowman, Catherine Bach and Julie Benz) vs. TV Lifeguards (David Chokachi, Brande Roderick, Parker Stevenson, Nicole Eggert and Gena Lee Nolin). (Not yet renewed.)

ET

Sunday Night Football

NBC

Season 31 premiere (special night): The Super Bowl LI-winning New England Patriots take on the Kansas City Chiefs. (Football Night in America precedes at 7:30 pm.)

ET

Big Brother

CBS

As is the case whenever the network does not provide a detailed summary, we leave you with this photo of Julie Chen blowing so. many. bubbles. (Get CBS fall premiere dates; meet the Survivor Season 35 castaways.)

Love Connection

Fox

The show's first openly gay man goes on dates with a Realtor, a makeup artist and an "assistant." (Psst... hear the good news?)

Project Runway

Lifetime

The designers compete in a Heidi Klum Sleepwear challenge, what doesn't in any way make this episode sound like one giant commercial.

Whose Line Is It Anyway?

The CW

Boyz II Men's Wanya Morris joins Ryan, Colin, Wayne and guest comedian Jonathan Magnum. (Get CW fall premiere dates.)

ET

Girlfriends' Guide to Divorce

Bravo

Abby says goodbye to her mother, and is surprised by a former flame; Abby's brother reconnects with Phoebe.

The Gong Show

ABC

Season 1 finale: Panelists include former Cougar Town resident Courteney Cox, Wedding Crashers' Isla Fisher and EP Will Arnett. (Not yet renewed.)

Zoo

CBS

Complications ensue during the delivery of Clementine's baby, as the team remains trapped inside the plane surrounded by toxic spores.

ET

The Guest Book

TBS

A man (Once Upon a Time's Andrew J. West) takes his girlfriend (Westworld's Shannon Woodward) up to the cabin in hopes of weaning her off crystal meth.

Recommended