Aldrich questions a not-too recent death in the office; Emily, Howard and Shaw follow a lead.

Who will become the next Head of Household and secure a spot in the Final Four? Plus, with three competitions and two evictions left, who will defy the odds and emerge as the first ever winner of Celebrity Big Brother?

The President tries to win back Ivanka Trump by supporting her progressive Paid Family Leave initiative, a move that sends his most loyal morning show co-host into an existential crisis.

18 of the most unforgettable women this season are back to confront Arie and tell their side of the story about how difficult it was to date a Bachelor who was falling for multiple women. Plus, look back at some of the season's most memorable moments.

Khloé attempts to keep her pregnancy a secret while dealing with some complications; Kourtney questions whether to have more children; Kris debuts a loud new hairdo.

After being the hero of Elk Grove by defeating evil and saving humanity, Ash settles in and opens a hardware store; his peace is short lived when evil returns with a target close to his heart.

Elizabeth mentors Julie, who finds teaching more difficult than she imagined; Abigail has to find a way to convince the railroad to build its depot in Hope Valley.

Greg gets detoured in the wilderness on the way to an ethics convention. Audrey finds herself in the media crosshairs after a hate crime at school. Following a mountain-bike race with best friend Malcolm and their pals, Duc reveals the secret to staying in control, a credo that's tested by Carmen, a fellow life coach. Haunted by a painful memory, Shokrani looks for unconventional help to get him through a wedding. With help from Ashley, Kristen's crush on a predator comes to an end. Audrey ends an otherwise bad day with a rare good night with Greg.

Flavortown has frozen over! Guy Fieri puts four talented chefs through three rounds of shopping and cooking from the frozen foods section. First, he asks for a meat and potatoes dish. Then, in round two, he asks them to make their best lobster dish but throws them a curve ball with an Ice Block Challenge that puts their hopes of winning on ice. Finally, in the final round, the remaining chefs must make an international dinner by bowling for ingredients with a frozen turkey. In the end, only one chef will ice out the competition and shop Flavortown for up to $20,000.

Rick faces new difficulties after a battle. Meanwhile, the fight continues in other communities as core members face hard decisions.

Carrie has a distressing realization. Saul negotiates. Keane and Wellington disagree.

An energetic entrepreneur from Key Biscayne, Florida, believes he has the best men's swimwear; entrepreneurs from Alhambra, California, present their "better" version of a popular beauty trend; an entrepreneur from Pinecrest, Florida, pitches the Sharks his solution for eating pasta without the guilt; an entrepreneur from Kingwood, Texas, has the cure for the dreaded hangover.

The Brown's are distraught that the Utah legislator is voting to strengthening its laws against polygamy. Friends are planning a protest march, but if the Brown's go back to Utah they could be arrested.

Host Chris Hardwick and guests Chandler Riggs and Greg Nicotero discuss "The Walking Dead" episode "Honor".

Frances spots the dashing art bigwig Skip Zakarian at an auction, and takes the opportunity to invite him to Sylvia's upcoming show, where he shows interest in more than art. A successful sale inspires Jackie to propose that she and Robert team up on a house-flipping business, but he has qualms about the idea.

Brandon compromises his employment by defending a co-worker. Emmett spends an eye-opening day with Quentin. At the roller rink, Kevin tries to get Andrea's attention.

The Brown's are distraught that the Utah legislator is voting to strengthening its laws against polygamy. Friends are planning a protest march, but if the Brown's go back to Utah they could be arrested.

On a trip to a comedy conference to book college gigs, Pete and Ali clash over the best strategy to appeal to the college crowd.

When Jack leaves his class unattended, a student injury sets off an official investigation and lands Jack in "teacher jail". An aggressive teacher's union rep sets her sights on Principal Durbin. The students' excitement for a substitute teacher are dashed when they find out it's Helen.

Italy is in the throes of a turbulent race to elect a new prime minister. John Oliver discusses the colorful contenders and introduces an equally ridiculous candidate.

Host Neil deGrasse Tyson features his interview with astronaut Scott Kelly.

The premiere Hesby's new piece doesn't go exactly as planned. Hailey recommits herself to the music. Cynthia finds solace in her new endeavors. Rodrigo must make a choice about his role in the orchestra.

The Tick and Arthur rush to rescue the endangered Dr. Karamazov. Dot gets some personal information from Overkill.

While Fish pursues an elusive lead, KJ struggles to have a painful conversation with the Butlers. Pete and DiAngelo butt heads.

The Boring community comes together for the movie premiere, where angst simmers even as wounds heal and relationships blossom.

Robot Chicken wants to expose the monster in its pocket; Megatron goes too far in Beast Wars; Wile E. Coyote sees if he can Get Away With Murder.

As time runs out on a bomb designed to destroy the cave and the rest of the Greenhouse, the students in the gym must get past police to make a rescue.

While on night patrol, Stoick is ambushed by the Flyers and gravely injured, leaving Hiccup torn between his duties as a son and as the Riders' leader.

Rosario Dawson visits the Stash. The Comic Book Men attend a premiere screening of Shooting Clerks, a film about Kevin, Jason, Walt, Brian and how a group of friends made this groundbreaking movie. And a Valentine themed superheroes book finds a new owner.

Victoria Coren Mitchell hosts another third-round match as the Belgophiles take on the Beaks for a place in the quarter-finals of the quiz. They must use patience, lateral thinking and sheer inspiration to make connections between groups of four things that may appear at first not to be linked, with one set of clues consisting of Tsar Alexander II, King George VI, the Arc de Triomphe and 12th Earl of Derby.

Dr Fairclough tells Marcella that it might be a good idea to go back to the root cause of her blackouts - Juliet's cot death. But when she tries to relive that moment at her home, the resulting stress levels put her into another fugue state. Meanhile, the team is called out when the driver of a car abandons his vehicle after a fatal collision with a cyclist and police attending the scene open the boot to discover a body surrounded by the same stuffed toys found with Leo.

Sandrine is increasingly fraught. Peter Westbourne tracks her down, but fails to calm her. Sandrine returns to the army base, retrieves her gun and disappears. Faced with a second murder, Kip and Nathan struggle to figure out how the two killings are connected. Kip is convinced that MI5 is leaking information to the media.

Back from a quiz night at the pub, everyone is encouraged to reveal their hidden talents. Cathy is very bendy but Gordon not quite as agile as everyone had hoped.