Heartbeat (NBC, 9:00 p.m.) — The premiere of this medical drama focuses on a heart surgeon who enjoys pushing boundaries inside the O.R. and in her personal life.
The People v. O.J. Simpson: American Crime Story (FX, 10:00 p.m.) — DNA evidence is introduced as the jurors go stir crazy following months spent away from their families and the media.
The Flash (CW, 8:00 p.m.) — Iris has a new flirtation at work and Barry encounters a female speedster who causes trouble for him and the team on a night out.
Fresh Off the Boat (ABC, 8:00 p.m.) — Louis and Eddie team up for a chili cook-off, and Jessica tries to get Evan invited to his friend’s birthday party after she has an awkward run in with the boy’s mother.
NBA Basketball: Rockets at Thunder (TNT, 8:00 p.m.) — The Rockets look for redemption after Russell Westbrook and OKC ended their five-game winning streak earlier this year.
NCIS (CBS, 8:00 p.m.) — When a Navy Public Affairs officer is murdered, his wife and mistress place the blame on each other.
New Girl (Fox, 8:00 p.m.) — Cece gets an exciting job offer, so Jess helps Schmidt take over wedding planning duties, but problems arise when Schmidt’s dad (Peter Gallagher!) comes to town.
The Voice (NBC, 8:00 p.m.) — More battle rounds. You know the deal.
The Real O’Neals (ABC, 8:30 p.m.) — Jimmy gets Kenny to try online dating and Pat embraces the bachelor life.
Marvel’s Agents of S.H.I.E.L.D. (ABC, 9:00 p.m.) — The team is changed forever after Bobbi and Hunter find their lives on the line while tracking Malick and becoming trapped in an assassination plot.
NCIS: New Orleans (CBS, 9:00 p.m.) — Laurel’s attacked on campus and put into protective custody as the team investigates a surveillance van filled with photos of Agent Pride.
Shadowhunters (Freeform, 9:00 p.m.) — Isabelle’s on trial and Clary, Luke and Jace find themselves on a rescue mission to save Jocelyn.
iZombie (CW, 9:00 p.m.) — A research scientist who had recently been demoted at her job turns up dead, and Liv is shocked to learn who she worked for, after eating her brains, of course.
Awkward (MTV, 10:00 p.m.) — Jenna shares why she and Matty broke up (again) and how Sadie and Tamara became friends.
Ink Master (SPIKE, 10:00 p.m.) — Another veteran returns to cause trouble for the artists who find themselves facing a Flash Challenge that’s all about the details.
Limitless (CBS, 10:00 p.m.) — Brian’s double-life is closer than ever to exposure after Senator Morra makes contact, while the FBI has their agent under 24-hour surveillance following his off-the-books mission in Russia.
Stitchers (Freeform, 10:00 p.m.) — The season two premiere sees Kirsten having a miraculous recovery after she brings Cameron back to life.
Tosh.0 (Comedy Central, 10:00 p.m.) — Tosh investigates the wedding culture of other countries and makes a case for why he’s the perfect person to have a one-night stand with.
LATE NIGHT GUESTS:
Jimmy Kimmel Live!: Kristen Bell, Tom Hiddleston, Granger Smith
The Tonight Show Starring Jimmy Fallon: Don Cheadle, Saoirse Ronan, Iggy Azalea
Late Night With Seth Meyers: Henry Cavill, Nia Vardalos, Attorney General Eric Holder
The Daily Show With Trevor Noah: Taavi Roivas
Conan: Amanda Peet, Lamorne Morris, Ty Segall
The Late Show With Stephen Colbert and The Late Late Show With James Corden are repeats.