Maggie gets unsettling news about a new friend and breaks protocol to support him. One of the doctors from the Med family is rushed into emergency surgery after a violent assault. A social media influencer lets his users vote on medical advice.

As Archie struggles to keep the neighborhood kids away from Dodger's influence, he turns to an unexpected ally for help. Jughead uncovers a mystery surrounding the author of the Baxter Brothers books, while Betty confronts Charles about his past. Finally, Veronica deals with a major shake-up at home, and Cheryl and Toni get some unexpected visitors at Thistlehouse.

Five celebrities perform; Triumph the Insult Comic Dog guest judges.

Castaways enjoy a merge feast before individual immunity is on the line.

In honor of Veteran's Day, four bladesmiths pay tribute in a special military themed competition, forging their blades from the biggest salvage yet - a panzer tank. The competitors find themselves in a war of welds and warps, combating the clock in an effort to produce knives strong enough to survive the brutal testing. The remaining two smiths continue the fight at their home forges where they have just four days to recreate the Scottish Backsword as famously wielded by Captain Mad Jack Churchill in World War II. Which smith will honor the troops with a weapon worthy of earning $10,000 and the rank of Forges in Fire Champion?

While trying to uncover the truth about a long-buried history between Lucy Sable and Ryan Hudson, Nancy finds herself in the curious position of having to strike a deal with Horseshoe Bay's newest and most suspect widower.

The sisters meet a new sibling, restaurant owner Nate, who helps them secure one of the most exclusive reservations in New York. Unfortunately, the dinner doesn't go as planned and Julia is forced to apologize to Roxy and Edie for her missteps. Meanwhile, Edie and Tim discuss starting a family, but Edie is conflicted on where she stands, Dr. Bechley begins his volunteer work at a hospital, where he uncovers another Bechley baby and Roxy invests her time in training her gymnastics protégé, Izzy, while tensions with her parents rise.

An unknown survivor sends Lia a disturbing video file with a promise that she has all the answers.

Jean deals with uncomfortable advances from Jason, the president confronts Richard about Gayle's accusation, and Agent Flint seeks info from the Winthrops' intruder.

Guy Fieri is reflecting on what he's thankful for, and it's four talented chefs ready to play his Thanksgiving-themed games. First, Guy gives the chefs an empty cornucopia to use while shopping for their two signature Thanksgiving sides. Then he mashes two classic GGG games together: The chefs have to make a classic Thanksgiving meal on a budget while also featuring a special ingredient determined by Guy's wheel of chance. In the end, one grateful chef will go on a shopping spree for up to $20,000.

Severide starts off on the wrong foot at his Office of Fire Investigation assignment when, despite orders, he reopens an old case. Herrmann is on a mission to discover what caused an apartment fire. Kidd finds herself burning the candle at both ends.

After injuring herself while pursuing a suspect, Burgess receives a shocking diagnosis. A homicide case turns into a missing persons case, with a sinister twist. Voight has to decide between justice and the letter of the law.

Four smiths spring into action when they are tasked with creating signature blades from different sized springs. The smiths battle through two tough rounds, fighting through canisters and failing forge welds for an opportunity to learn forward in the competition. After a brutal testing bout, the two remaining smiths head home to recreate one of the most distinguishing weapons of the Revolutionary War: the Sergeant's Spontoon. Which smith will survive the battery of tests to earn the title of Forges in Fire Champion and $10,000?

The SWAT team searches for thieves who are on the run with a high-tech thermal lance that can cut through almost anything. To find the thieves, SWAT works to identify their target. Also, Chris confronts an imbalance in her relationship with Kira and Ty.

A familiar face arrives in Castle Rock.

Lia receives all the answers she's been seeking.

In the season opener, an even stronger woman causes big problems for PC Principal. Cartman, Stan, and the rest of the boys meet their match when some of the girls join their board gamers club.

Trapped inside Paddy's with a suicide jumper on the roof, the Gang wonders if they should bother intervening with an algorithm of their own - Could he, would he, should we?

Camp Redwood draws in a lost soul looking for closure.

In the spirit of the holiday season, Full Frontal recaps the start of impeachment hearings for all to enjoy! Plus, we get a lesson in the "prosperity gospel" from Trump's very own spiritual advisor Paula White!.

Impeachment hearings against President Trump go public, Jaboukie Young-White and Roy Wood Jr. try to sell Trump's childhood home, and Daniel Kaluuya discusses "Queen & Slim".

Actress/comic Jenny Slate.

Chris Hardwick, Sarah Tiana and Brian Posehn discuss John Legend's "Sexiest Man Alive" title and a New Jersey town overrun by wild turkeys, and comedian Rachel Mac performs.

Political commentator Rachel Maddow; actor Tony Hale; Dominic Fike performs.

Stephen welcomes actor Tim Robbins and political analyst Nicolle Wallace.

Razz confuses the past and the present and has trouble telling Mara and Adora apart. But Adora desperately needs her help.

James welcomes actress Beth Behrs, actor Sam Claflin, with musical guest Grace VanderWaal.

Aulus outrages Domitius with a confession. Andra discovers the truth about her family. Divis tries to use his powers on Love.

Harriet is in the dock for gross negligence manslaughter as the families' private prosecution finally arrives in court. And Polly fears for Leona, who wants to give evidence.

The team goes electric in a series first as Jonny Smith and Vicki Butler-Henderson test Audi's first electric model, the eTron SUV, against the Tesla Model X. Vicki also looks at some second-hand electric cars.

Max and Angie have their own separate suspicions about Sheila's real involvement on the night of Walter's death.