The Summit | 9pm | CBS

Repeat: After an unexpected twist reverberates throughout the group, game plans shift as they begin to tackle harder terrain. While the trekkers are challenged with crossing an extremely rickety bridge, emotions surge as the Mountain’s Keeper arrives with a shocking choice for the trekkers to make, leaving one person’s fate hanging by a thread.

Crime Scene Kitchen | 9pm | Fox

Five teams of family members have two mystery dishes to crack on their road to the $100,000 prize. In a dramatic elimination bake they are tested by the hardest Crime Scene Kitchen of all-time. Find out which team will fold under pressure and who will bake their way to the next round.

Brilliant Minds | 10pm | NBC

A member of a biker gang seeks out Dr. Wolf’s help as he grapples with life-threatening memory loss. The interns are tasked to help a young girl struggling with mysterious seizures.

The Summit | 9:30pm | CBS

Repeat.

Found | 10pm | NBC

Season premiere: Gabi and her team at Mosely & Associates begin to spiral amid Gabi’s shocking revelation. Lacey’s childhood flashbacks begin to resurface, providing vital clues as Sir remains at large.

Chicago Fire | 9pm | NBC

After Damon disobeys Kidd’s orders on a call, he turns to Severide to protect him. Herrmann searches for the perfect scent to spice things up with Cindy.

9-1-1: Lone Star | 8pm | Fox

The 126 race into action when a major train derailment causes multiple injuries; Meanwhile Tommy makes a bold move in her relationship with Trevor; Wyatt asks Owen to give Judd his job back as Marjan and Paul continue to compete for the open position.

The Summit | 9pm | CBS

Series premiere: Sixteen ordinary Americans embark on a once-in-a-lifetime journey through the treacherous New Zealand Alps in an attempt to reach the peak of a towering mountain in just 14 days in order to keep their share of the $1 million prize they’re carrying in their backpacks. After a medical emergency occurs just hours into […]

Saturday Night Live | 11:30pm | NBC

Season premiere: Jean Smart and Jelly Roll.

Fire Country | 9pm | CBS

Two-hour repeat: With the future of Three Rock in jeopardy, Station 42 and Three Rock host Edgewater’s 22nd Annual Firefighters’ Ball in an effort to impress the governor (Catherine Lough Haggquist) and save the camp. Meanwhile, Gabriela’s mom, Roberta (Paola Nunez), makes a surprise appearance at the event. Then, Station 42 and Three Rock battle […]

Grey’s Anatomy | 10pm | ABC

Season premiere: After firing some of Grey Sloan’s best, Catherine continues to interfere with Meredith and Amelia’s research. Accidents at a climate change protest bring unique cases to the hospital, and Bailey encounters a blast from the past. 

The Floor | 9pm | Fox

Season premiere: Season Two of last season’s #1 blockbuster game show, The Floor, hosted by Rob Lowe (9-1-1: Lone Star) is bigger and better than ever with 100 contestants facing off in duels on a giant grid of squares representing their own field of trivia expertise. The winner of each timed head-to-head trivia battle takes […]

America’s Got Talent | 9pm | NBC

Season finale: Host Terry Crews reveals who America has chosen as the Season 19 winner in the two-hour finale featuring special guest performers.

The Voice | 8pm | NBC

Season premiere: The competition is fierce as Snoop Dogg and Michael Bublé each claim their red chairs. Alongside returning coaches Reba McEntire and Gwen Stefani, they all vie to discover and coach the next singing phenomenon.

Rescue Hi-Surf | 8pm | Fox

Series premiere: At Oahu’s North Shore, captain Sonny Jennings and his core team of lifeguards — his lieutenant Em Wright and veteran lifeguards Will Ready and Laka Hanohano monitor the dangerous Hawaiian waters. Meanwhile, new lifeguard recruits Hina Alexander and Kainalu Emerson have a flirtatious dynamic with one another as they compete to join Sonny’s […]