Followers of Coville plan to use his journal to create a new Worldkiller. Meanwhile, Supergirl tries to repair the rift between her and Lena, and James is forced to consider whether to out himself or not.

Items include a Fabergé jade snuff bottle made around 1890, Basquiat oil stick drawing, and General Wharton Civil War archive.

The 2018 MISS USA® competition is a not-to-be-missed two-hour special programming event, airing live from the Hirsch Memorial Coliseum in Shreveport-Bossier, LA, which will conclude with Miss USA 2017, Kára McCullough, crowning her successor. Actress, host and former pageant winner Vanessa Lachey and multi-Platinum recording artist and television personality Nick Lachey will host the competition. TV personality and fashion expert Carson Kressley and supermodel and pageant expert Lu Sierra will act as competition insiders and provide analysis and commentary throughout the live telecast. Join hopefuls from all 50 states and the District of Columbia, as they compete onstage for the crown live.

A new champion is crowned in the finale of the first-ever all-athletes edition of the show.

The Top 4 - Spensha Baker, Britton Buchanan, Brynn Cartelli and Kyla Jade - perform duets with Coaches, Kelly, Alicia and Blake, and debut their first original singles live in hopes of capturing America's votes.

Jon Cryer's journey takes him from America to Scotland as he uncovers the dramatic tale of an ancestor who survived a catastrophic battle, endured horrific conditions as a prisoner of war, and was forced to come to America as an indentured servant.

A desperate man's last-ditch effort to flee from officers goes down in flames. Multiple units work together to diffuse a dangerous situation. Deputies keep an eye on a custody battle that involves some expensive groceries.

Sierra is furious when Karlie confronts her with BK's side chicks. Kirk's grief brings him and Rasheeda back together. Bleu has an emotional reunion with his son. Mena judges Estelita's choice to rekindle her romantic relationship.

After struggling to find work, Andi proposes an idea for her and Adam to go into business together. Also, Adam tackles a challenging renovation of Joe and Bev's kitchen.

Kailyn continues arguing with Briana and Brittany, and Jenelle and David walk away during the reunion taping but later return to face off with Nathan, Doris and Barb.

Major abducts Liv--but in a nice way--so Ravi helps Clive with a case. Meanwhile, Blaine tries to convince his father to take his preachings nationwide, and Ravi makes a breakthrough with his anti-zombie vaccine.

The expedition's epic journey reaches its climax as men find themselves in a final confrontation with the Inuit mythology they've trespassed into.

Perfect Strawberry Shortcake is the challenge that the seven remaining bakers face in this week's Skills Challenge. In the Master Challenge the bakers must create a "Fire and Ice" Dessert including a frozen and a brûléed element, including mint as the featured flavor. Guest judge and acclaimed pastry chef Sherry Yardjoins Jason Smith and Marcela Valladolid to judge the Master Challenge. One baker is given their marching orders.

Following amazing performances by music superstars and legends, including our very own American Idol judges, the winner of American Idol will finally be crowned, as the search for America's next superstar comes to a close.

A couple's house in Bethany Beach, DE, has been in the family for decades, but it's becoming cramped as their large family grows. After years of pleading from their daughters, the couple has agreed to renovate their 90s-themed house. Now it's up to Marnie to bring their house into the 21st century and make it comfortable enough for three generations.

A couple debates the benefits of getting a home with more space for entertaining vs. making changes to their existing house so they can preserve memories with their kids. After a decade of DIY renovations, the couple brings in Hilary and David to help them either fix up their current home or find something newer, bigger and closer to their friends. Will Hilary create enough space for the family's needs or will David find them the perfect spot closer to their community?

A young couple leaves the Southern California coast behind for a mountain life in Park City, Utah; they want a house they can grow into, but they will need to be aggressive in order to secure a home in their competitive price range.

Actress and activist Laverne Cox pieces together the inspiring life of her African American ancestor, who challenged societal norms and bravely pushed the boundaries just years after Emancipation.

As the three-part reunion concludes, Andy Cohen explores Jax's epic meltdown at SUR and his decision to break up with Brittany. Lala and James examine the intermittent flirting and fighting in their relationship, Kristen takes Sandoval to task for spreading the rumor that she hooked up with James, and Stassi recounts her embarrassing encounter with Patrick and Lisa Vanderpump at the TomTom progress party. Finally, Katie and Schwartz discuss the prospect of having children, Ariana reveals the latest on her struggles with body image issues, and Jax discusses his future with Brittany.

In the middle of a Minnesota blizzard, Mike and Frank face the frost to uncover a rare pair of trucks on farmer Jim's spread.

Watson considers making a major life change after reading her own therapy file while Holmes and she investigate the murder of her former psychologist.

Of all life on Earth, how come we're the only ones with the smarts to leave our planet? For three billion years, nothing had a brain. Even today, over 90 percent of life doesn't need a brain to survive. So, what happened? How did our planet set in motion the chain of nearly impossible events that gave us our unique intelligence? The greatest mystery of all may be right between your ears. Astronaut host – Leland Melvin.

Rick tackles a set of San Francisco 49ers Super Bowl rings, but can he bring the high asking price just a touch down? A speargun used to hunt marine life makes a splash with Corey and Rick, but will they notice anything fishy when they test it out? Chum steps up when a pair of 18th-century shoe protectors walk in the door, but can they get the seller to toe the line? Later, Rick has some interest in a miniature model of the Traders Bank of Canada. Will he become invested, or decide to withdraw?

Steven Spielberg, Christopher Nolan, Robert Kirkman and others explore how humans will survive when the world goes to hell.

Actress Lena Headey joins Bear on a two-day expedition through the unforgiving landscape of the Iberian Peninsula, complete with steep cliffs and icy waters. Lena's known for playing fierce women, but is she tough enough to survive the wild?

It's a week of big machine cakes at Freed's Bakery as Sonny Robinson digs into a huge yellow excavator perched atop rippled layers of delicious earth. Aubrie Virgin makes a miniature barbecue feast to accompany a big RV cake. Then, the team has to finish a 5-foot-long cake of the world's biggest observation wheel, the High Roller, and Max Fried scrambles to make the wheel spin and light up in time for the big reveal.

Lexi graduates from high school, Brianna tries to get closure with Danae, Ashley and Bar visit Bar's mom in Las Vegas, and Kayla consults with a lawyer about custody.

A church-going mother with no known enemies suddenly disappears from Northeastern Texas. As cops investigate the missing persons case they uncover a serial predator from the shadows and rush to stop him before he kills again.

Desus & Mero break down the Royal Wedding, drink liquor out of teacups and deliver Britsh-themed shoutouts. Nikki Glaser talks doing radio & why she dates short guys.

David E. Wells is an American chef who has been preparing Japanese food professionally for 35 years. The delicate dishes he creates are firmly grounded in the core values of Japanese cuisine. Instead of working at a restaurant, he provides catering services for clients who want to entertain at home. This time on Japanophiles, Wells shares his insights into the lifelong process of learning to appreciate the many possibilities of Japanese ingredients.

Actor Zachary Quinto; actress Vanessa Bayer; Executive Editor of "The New York Times," Dean Baquet.

1. Matthew McConaughey ("White Boy Rick") 2. Julian Dennison ("Deadpool 2") 3. Musical Guest James Bay

Actress Audra McDonald and comedian Billy Eichner are interviewed. Dan Stevens joins James and Audra McDonald for an installment of Inappropriate Musicals.

Dion visits a two-bed terrace in Salford, Martel goes to Derbyshire to look at a three-bed semi, and Martin is in south London, where a one-bedroom flat is the order of the day. The team want to know whether the renovations of these auction properties have gone to plan or if the owners have bitten off more than they can chew.

The winning contestant from the mystery box challenge joins the top three contestants from the invention test in this episode's two round immunity challenge.