Celebrity guests Lauren Lapkus and Anderson Cooper play for charity.

Robin tackles the fall holidays bravely but feels she can't compare to how well Scott handled everything. Oliver struggles with Peter's transgression. Theo makes new friends but finds they aren't necessarily the best influence. Luly gets some news about her adoptive family.

The roommates toast Angelina at the iconic Jersey Shore house before dropping by the Shore Store to prank Danny, and Jenni, Nicole and Deena write a raunchy wedding speech.

Adam and Andi attempt to spice up their social life by making new friends.

Robert Irvine returns to Rosie's Cafe in Escondido, Calif., where he previously helped the owner, Kaitlyn, revive her failing restaurant. She has since suffered a near-fatal car accident, and Robert comes back to pull off a spectacular event -- breaking every rule in television if necessary -- to help this Restaurant: Impossible family member with her mounting medical bills.

Zak and the guys recount their visit to Eureka, Utah, where they encountered a bizarre ritual that opened the door to the scariest evidence they have ever recorded.

When an op goes bad, the team must deal with a proverbial monster in their house before it can take them down one by one. Meanwhile, Director Weitz is forced into a tense game of psychological chess as Madeline Burke attempts to assess his loyalty and root out a potential mole at the FBI.

Murphy's preoccupation with helping Max - whose luck continues to spiral - forces her to take more extreme risks. Felix is forced to contend with issues at Guiding Hope, while Jess struggles as all her relationships are tested. Meanwhile, Chloe meets Dean's new partner, Gene, who shares information that feeds into her growing suspicions about her father. 

An eerie set of buildings in Paris is evidence of an unspeakable evil; new discoveries reveal the horrific things that happened here, and why they were abandoned.

When Jackie's ex-husband, Barry (guest star Kyle Bornheimer), unexpectedly shows up, she seizes the opportunity to gain full custody of Sammy. Also, Javier attempts to find a meaningful birthday gift for his wealthy father.

In an effort to save Hope, Ryn and Ben confront Tia in an undersea battle between the mermaid tribes. Maddie and Robb work to find a cure for Xander, while Helen and the hybrids help restore order. Ted struggles to accept Ben's reality.

Jack and Katrina investigate the malevolent spirits haunting the Ohio State Reformatory in Mansfield, Ohio. They dive deep into the abandoned prison's sordid past and gain exclusive access to paranormal hot spots.

There's something about pasta that's exciting, and Eddie Jackson shares a combination of savory sauces and a variety of textures for this ever-evolving ancient dish. No matter what, pasta has endless pasta-bilities!

Contestants trash talk the Tenderloins, Sal's "moist moment", and a giant door-opening python! It's all happening on this hilarious episode of The Misery Index.

The team arrive on Arriopa to take down Lazaro. A face from the past unexpectedly returns.
 

Tonight Show Staff Favorites: Kevin Hart, Justin Timberlake, Amy Poehler, and more.

Pierce fears that Paul could be right, and that maybe Chloe is attracted to Naomi. Mackenzie is caught off-guard when her father sends a friend request.

The red and blue teams vie at Brighton Racecourse, East Sussex, hunting for items of value with the help of experts Catherine Southon and Mark Stacey. Presenter Christina Trevanionmaintains order and also gets to meet a gramophone guru, learning how to spot the difference between an authentic gramophone and a replica.

With Whoopi Goldberg.

Four-star general Mark Naird — leader of the newly created Space Force — is pressured to launch a satellite despite dire warnings from scientists.

With his beloved satellite severely hobbled, General Naird must decide between a well-reasoned scientific solution and a chimp-led rescue operation.

While General Naird and Dr. Mallory brace themselves for a contentious hearing on Capitol Hill, Erin gets to know Captain Ali.

General Naird volunteers for Dr. Mallory's Lunar Habitat Experiment. Meanwhile, Erin tries to throw a party, and Space Force gets a snazzy new look.

Armed with weapons that are less than intimidating, Space Force soldiers — led by General Naird — play war games with their Air Force rivals.