Supergirl (CW, 8:00 p.m.) – Supergirl has switched networks in season two – and that might be a good thing. The CW has a much better track record with superhero TV than CBS, and the show’s guaranteed to hit a younger audience in its new slot. Tonight’s premiere sees Superman, a.k.a. Clark Kent, a.k.a. Kara’s cousin, arriving in National City just in time to help Supergirl deal with a new threat.
Dancing With the Stars (ABC, 8:00 p.m.) – The celebrities choose songs that represent memorable years in their own lives to dance to this week.
Gotham (Fox, 8:00 p.m.) – Penguin all but locks up the mayoral nominations while Gordon turns Alice over to the GCPD for the bounty. Bruce and Alfred continue to hunt for Bruce’s doppleganger after discovering he’s assumed Bruce’s identity.
The Big Bang Theory (CBS, 8:00 p.m.) – Amy’s apartment floods, prompting her and Sheldon to try living together. Elsewhere, Howard and Bernadette become upset when Koothrappali learns the gender of the baby before they do.
The Voice (NBC, 8:00 p.m.) – Battle rounds kick off tonight. Team members face off in dueling duets as Joan Jett, Sammy Hagar, Bette Midler and Charlie Pluth help out the coaches.
WWE Monday Night Raw (USA, 8:00 p.m.) – Roman Reigns preps for his Hell in a Cell match against Rusev.
Kevin Can Wait (CBS, 8:30 p.m.) – Kevin becomes jealous after he sees how much fun Donna and her friends have at their book club meetings, so he decides to add some spice to his own friendships.
2 Broke Girls (CBS, 9:00 p.m.) – Season six kicks off with Max and Caroline finishing up their newly-converted Dessert Bar. As Sophie and Oleg prepare for the birth of their baby, the girls ready for the opening of their bar and Max deals with the aftermath of her breakup with Randy.
Lucifer (Fox, 9:00 p.m.) – Lucifer and Chloe go after a serial killer who likes posting his murder videos on social media. Amenadiel continues to struggle with a loss of power and Lucifer’s mother returns.
Scorpion (CBS, 10:00 p.m.) – Walter’s accidentally launched into space and when his oxygen begins to run low, he starts having hallucinations about Paige. Here’s hoping the team can get him back to Earth before he suffocates.
Timeless (NBC, 10:00 p.m.) – Lucy deals with the tragic consequences of altering time as the trio chase Garcia Flynn back to the night of President Abraham Lincoln’s assassination after the time-travelling terrorist hooks up with John Wilkes Booth.
Conviction (ABC, 10:00 p.m.) – Wallace’s career-making case is reexamined by the CIU team and they discover some odd coincidences in the rape and robbery crime.
Full Frontal With Samantha Bee (TBS, 10:30 p.m.) – Bee takes a look back at this weekend’s second presidential debate.
LATE NIGHT GUESTS
Jimmy Kimmel Live!: Don Rickles, John Stamos, Two Door Cinema Club
The Tonight Show Starring Jimmy Fallon: Taraji P. Henson, David Harbour, Phish, Doyle Bramhall II
Late Night With Seth Meyers: Sarah Silverman, Jake Tapper, Thaddeus Dixon, Corey Glover & Vernon Reid
The Daily Show With Trevor Noah: Rep. Xavier Becerra