The Flash (CW, 8:00 p.m.) — Season three begins with Kid Flash taking over hero duty, allowing Barry to live his “dream” life away from all of the responsibilities and limitations of his powers. Of course, he’s still The Flash, so when disaster strikes back home, he must decide whether to continue living life in an alternate universe or returning to the real world.
BET Hip Hop Awards 2016 (MTV, 8:00 p.m.) — DJ Khaled hosts this year’s show with performances by Gucci Mane, Lil Uzi Vert, Quavo, Young Thug, Big K.R.I.T., Lil Yachty, Isaiah Rashad, Desiigner, T.I., Big Baby D.R.A.M., 21 Savage and Dae Dae. If you know even half of those people, you’re probably pretty hip. Expect Drake to head home with some hardware tonight. He’s nominated for 14 awards.
VP Debate (Fox, ABC, NBC, CBS, CNN, MSNBC, 9:00 p.m.) — Tonight we get a look at the running mates of Hillary Clinton and Donald Trump. Both men have taken a back seat to their presidential partners this election season, but tonight’s debate will play a big part in the campaign. While Tim Kaine might help Clinton win the Latino vote, Mike Pence has… a tougher job.
Brooklyn Nine-Nine (Fox, 8:00 p.m.) — Jake and Amy have an awkward reunion when the team heads down to Florida to help him and Holt take down Jimmy Figgis. Unfortunately for them, Sheriff Reynolds is ready to thwart their plans.
Dancing With the Stars (ABC, 8:00 p.m.) Tonight’s results show: reveals who’s in the bottom three; gives us a performance by the band DNCE; features an all-male dance number and a performance choreographed by Derek Hough.
MLB Playoff: Orioles at Blue Jays (TBS, 8:00 p.m.) — Baltimore at Toronto in the American League Wild Card game. The winner meets the Rangers in the Division Series beginning on Thursday.
NCIS (CBS, 8:00 p.m.) — When a marine sergeant is killed after falling from a building, her doctor risks breaking patient confidentiality and urges Gibbs to investigate the death as a murder.
The Voice (NBC, 8:00 p.m.) — A best-of recap of the blind auditions includes previously unseen moments, plus a peek at the battle round. Later, the judges reveal the reasoning behind their picks.
WWE SmackDown (USA, 8:00 p.m.) — John Cena, Dean Ambrose and champ AJ Styles star in the final countdown to No Mercy this Sunday.
New Girl (Fox, 8:30 p.m.) — Nick struggles finishing the next chapter of his novel while Jess joins Schmidt and Cece and Winston and Aly on their couples’ glamping camping excursion. Being the only solo lady on the trip, she invites a few friends from her single-only group to tag along.
No Tomorrow (CW, 9:00 p.m.) — In the series premiere of this new drama from CW, a female procurement manager falls for a freewheeling man who believes the apocalypse is imminent and the two begin a journey to complete their individual bucket lists.
Aftermath (Syfy, 10:00 p.m.) — The Copelands search for their daughter while battling solar flares and mythological demons.
Atlanta (FX, 10:00 p.m.) — Van deals with a mild case of jealousy.
Halt and Catch Fire (AMC, 10:00 p.m.) — Joe asks Cam for a favor. Donna, Bos and Diane go on the road to build support for Mutiny.
Ink Master (Spike, 10:00 p.m.) — The artists tattoo former smokers who have been scarred for life.
Drunk History (Comedy Central, 10:30 p.m.) — We learn about America’s first daredevil, witness the birth of Buster Keaton’s movie career, and follow the evolution of Marilyn Monroe and Ella Fitzgerald’s friendship.
LATE NIGHT GUESTS
Jimmy Kimmel Live!: Billy Bob Thornton, Kristin Chenoweth, Ryan Donahue
The Tonight Show Starring Jimmy Fallon: John Goodman, Lin-Manuel Miranda, Empire of the Sun, Olivia Newton-John
The Late Show With Stephen Colbert: Cheri Oteri, Paul F. Tompkins, Melissa Etheridge
Late Night With Seth Meyers: Judge Judy Sheindlin, Kelly Clarkson, Tom Odell, Stanton Moore
The Late Late Show With James Corden: Rob Lowe, J.K. Simmons, Eliza Skinner
The Daily Show With Trevor Noah: Ezra Klein
Conan: Kristen Bell, Evan Peters, Miike Snow