High tech takes over Big Brother for its 20th anniversary, as 16 all-new Houseguests face unexpected twists and upgraded power in a house inspired by Silicon Valley. This season's cast includes a flight attendant, a former undercover cop, a cyber security engineer and a Vegas entertainer, among others.

Needing some "me" time, Josh fakes joining a swim club to get some space from Gabi and not hurt her feelings. When Gabi learns about Josh's ruse, she concocts an elaborate plan to get him to admit his lie. Meanwhile, Yolanda and Elliot scheme to meet their celebrity neighbor.

Offred faces a grueling challenge alone as she recalls her life as a mother. Serena Joy and the Commander deal with the fallout of their actions towards Offred.

The contestants face a mystery box challenge where they must create a dish using one common ingredient - walnuts. The winner will receive 3 huge advantages. Later, the MasterChef kitchen welcomes American soccer legend, Alexi Lalas, who will introduce a street-food themed elimination challenge that involves popular food among soccer fans in various countries. Then, it is up to the judges to decide who will head home.

Gabi panics that her relationship with Josh is over when it seems that the spark has died - and that Josh may be getting his needs met elsewhere. Elliot and Yolanda go to extreme lengths to score coveted tickets to a Bruno Mars concert, and Sofia moonlights as a driver for a ride-share company.

As survivors arrive to the Behemoth, two factions form over how to handle a life-or-death threat; Holden grapples with what he's seen and the choices he must make.

To celebrate America and the people who have served it, Guy Fieri invites four chef veterans from different branches of the military to compete in two summer-themed games. And for the first time ever, it's all done in front of a live audience made entirely of veterans. First, the chefs have to make a summer seafood feast using what they can fit into a shockingly small mini-cooler. Then, the chef-vets will have to elevate a summer classic dish as decided by a game of Corn Hole. Only one chef will be crowned winner of GGG's salute to summer and earn a $20,000 payday.

Miocic and Cormier go head-to-head on the ice while playing hockey in this season's coaches challenge.

Elliot fears the worst after hearing the emotional testimony by Detective Gomez's wife at his malpractice trial, but hopes footage Diego shot for his documentary will change her mind. Also, Rox attempts to connect with Willis but he pushes her away, and Leanne attempts to comfort Ariel in the wake of a devastating loss.

Paul is caught off guard when he is selected by Mark to be the pitch man for a huge business partnership and feels that Mark is pushing the Express Model too fast for his comfort. In an initiative to bring Wahlburgers out of the "indulgence" category and into a healthier market, Mark, Donnie and Paul are out promoting the newest menu item, The Impossible Burger. Meanwhile, Alma dons her green hard hat and takes charge in her new role of foreman at the Wahlburgers Dorchester construction site.

Holden and his allies must stop Ashford and his team from destroying the Ring, and perhaps all of humanity.

Will, Broussard, Amy, and Bram work together to kidnap a high-ranking IGA officer.

The SEALs are put to the test when they are ordered to orchestrate a prisoner exchange in Chechnya.

Remy and Nova address their feelings; Violet receives a business proposal; Blue finally reveals what happened at school; Charley discovers something suspicious; Ralph Angel goes on a date.

Monica Shaw seeks help from the team after a bombing kills dozens of people. Mara must dive into the mind of a coma victim to try and identify the perpetrator.

With the task force closing in, Joe is forced to flee with Kathy. Marty suspects there may be a mole on her team. Reuel grows increasingly concerned about Bob's loyalty. Joe's search for answers leads him to two important people from his past.

As the dust settles from the shootout, the Duttons deal with the potential repercussions. John calls in a favor and collects on some old debts. Jamie meets with the governor to do damage control.

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Stephen welcomes actor Paul Rudd, actor Ken Jeong, plus a musical performance by Florence & the Machine.

As a wave of violence rocks Harlem, everyone races to connect the dots between Piranha, Mariah, Bushmaster and the grisly find at the clinic.

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The losing team from the previous challenge will fight for their place in the competition.

Max must confront a friend turned foe. Laura reels from her heartbreaking decision, but when Mattie reveals her secret, she is spurred back into action. Niska's journey takes an unexpected turn, while Leo races to be by Max's side, but walks into danger.

Dara O Briain and Hugh Dennis check out the week's news from around the globe in the company of guests Angela Barnes, Desiree Burch, Ed Byrne, Milton Jones and Glenn Moore.