Who will be evicted from the Big Brother house, David or Nicole A.? Find out tonight on Big Brother All-Stars!.

In the seemingly innocent Hey Ho Whoa car, a shocking revelation rocks Grace and Simon's world. Will they be able to fix it before The Apex find out?

With only three survivalists left, the million-dollar challenge comes to an end. The participants face off against below zero temperatures, injury and their own mental demons as they fight to make it to day 100 and win the million-dollar prize.

As the Firefighter's Ball rages on, things go off the rails. Terry and Eddie battle it out, Ike deals with Andy after too many drinks, Lucy struggles to get alone time with her date, and Granny finds a way to ease the tension with his date.

Selena teams up with the godfather of the modern food truck movement, Roy Choi, to make some dangerously delicious Korean BBQ breakfast tacos and Hawaiian malasadas. As Roy masterfully incorporates Selena's suggestions into his recipes in real-time, a surprise guest pops in to cheer Chef Gomez on. Let's just hope our girl doesn't get distracted by the cute boy on her line.

Kamala Harris officially accepts the nomination for vice president, Trevor rolls out a short biopic about Joe Biden, and Bernie Sanders calls for a broad coalition to defeat President Trump.

Selena bows down to two iconic chefs who've been behind many, many dinners in her life: restaurateurs, authors, and BFFs Jon and Vinny. Together, they attempt to make roasted chicken with cilantro sauce and a tomato bruschetta appetizer - but will the chicken's grimy inside bits make this a recipe for disaster for Selena?

Jimmy welcomes TV host Rachel Maddow, actor Fred Armisen, and a musical performance by Tiwa Savage.

Stephen welcomes former Secretary of State Hillary Rodham Clinton.

Waking up to a new reality, the Inland and Offshore factions inch closer to the brink of war - until a long-lost artifact offers a ray of hope.

A new work protocol eliminating "buffer time" has the Lower Decks crew running ragged as they try to keep up with their tightened schedules. Ensign Mariner and Commander Ransom's mutual lack of respect comes to a head during an away mission.

After meeting her unconventional roommates, Mia attends her first class with Dr. Lorenz and cozies up to the professor's research assistant, Jasper.

Blair digs for clues about her mom's past, Sterling partners with April on a school project, and both twins get an eyeful during a stakeout with Bowser.

Miko suspects that something is very, very wrong when Mitch suddenly starts acting nice. At a bizarre party, High Five sees that she might be right.

The great Nancy Silverton helps Selena craft an ambitious vegetable buffet - but before Selena and her friends can dig into the stunning multi-color bounty, a series of hilarious technical difficulties brings Selena's kitchen to its knees. Will dinner be served? TBD.

James welcomes actress Lili Reinhart and a musical performance by Anitta.

Jimmy Carr hosts as Sean Lock and Miles Jupp take on Jon Richardson and Sophie Duker in the classic words and numbers quiz. Lee and Dean join Susie Dent in Dictionary Corner. Joe Wilkinson is at the numbers board with Rachel Riley.