Jack and the team uncover a nest of vipers when a zoo owner is killed with a tranquiliser dart and everyone has an alibi.
Ed finds himself behind enemy lines when he crash-lands on a mysterious planet. Meanwhile, Kelly questions why Gordon wants to take the Command Test.
Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination. Also, Bernadette gets one of her drugs approved at work and wants a reluctant Penny to head the sales team.
When the power goes out at Grey Sloan, the doctors are left scrambling to save their patients' lives; Owen, Amelia and Teddy confront their complicated situation.
Christy and Bonnie are suspicious when Adam's best friend returns, insisting he's a changed man.
After answering a distress signal from the U.S.S. Enterprise, the U.S.S. Discovery welcomes aboard Captain Christopher Pike and begins a new mission to investigate the meaning behind seven mysterious red signals. Michael Burnham grapples with her past growing up on Vulcan with her foster parents and brother Spock.
After troubling news, Delilah finds herself once again leaning on her friends in order to help her family, unexpectedly having to rely on Katherine the most out of all people. Despite Gary’s protests, Maggie insists on running the Suicide Prevention 5K with the rest of the gang, where Danny also plans to introduce someone special to his mom and sister.
Josh Flagg pulls out his bag of tricks in a final attempt to sell the Bel Air house. James and David's hot new listing attracts attention. Josh Altman lists the former Hollywood compound of a mega star only to be blind-sided by its new owner.
Actress Lena Waithe challenges the chefs to make a trademark Kentucky dish known as the Hot Brown; chef Nancy Silverton and butcher Dario Cecchini break down a whole cow for the chefs to utilize along with locally-sourced ingredients.
It's a case of sibling rivalry as brothers and chefs Steve and Brian Redzikowski go head-to-head for the chance to take down Bobby Flay; Olympic skier Gus Kenworthy and chef Alex Guarnaschelli decide which brother is the chosen one to face Bobby.
After fleeing her troubled marriage, Deborah Brown and her children seek refuge at her brother’s house in rustic Lebanon, Maine. When a stranger shows up in the dead of night, Deborah and her family are unprepared for what happens next.
Major changes hit the Dollhouse as Camryn steps down as captain. Coach D breaks her biggest rule, shaking the Dollhouse to its core. The wild experiment led by Coach D's new permanent assistant coach, Marquell, sends the team into complete chaos.
Dwayne Johnson invites eight competitors to test themselves on the most insane physical challenges ever - including one that's 30 feet above the ground - in the hopes of becoming a Titan.
The US Army's Abrams tank is a 70-ton war machine capable of reaching speeds of 45 miles per hour on the most extreme terrains on earth, but before it enters the battlefield, it must face a set of brutal challenges to put its engineering to the test.
After learning that Clem doesn’t plan to invite her father to the wedding, Nick’s parents encourage her to ask him over to their home for dinner to help repair their relationship. Also, Nick tries to teach Shannon to be more responsible at home.
Natasha Vaynblat describes tutoring New York City children, attempts to explain a woman's surreal makeup and shares her strategy for how to safely hook up with a stranger.
Ian Lara discusses his Hispanic background and explains why he's never going on a cruise with his friend again.
After Christmas shopping, 18-year-old Linda Velzy vanishes into upstate New York's frozen landscape; the primary suspect refuses to talk to detectives, so Linda's father hatches a plan, but temperatures are dropping, and time is running out.
On this week's show, Russell welcomes Rob Delaney for an emotional, in-depth chat; investigates bungee dance with Jessica Knappett; and looks at the latest political developments in the UK, US and Europe.
Three-year-old Nikola Szlezyngier disappears in unexplained circumstances and her parents Angelika and Dawid are the main suspects. Angelika contacts an old friend Joanna Chylka, a brilliant, cynical and successful lawyer to help. With her new apprentice Kordian, Joanna will try to bring the case to a happy close.