A familiar face returns to the ED. Ripley and Charles treat a woman with a rare disorder. Frost suspects that his patient's father is lying about his daughter's condition.

Panelists Robin Thicke and Rita Ora open the show with a performance of "Rock You Like A Hurricane" by the Scorpions. The five brand-new contestants make their grand debut with songs like "Rock Your Body", "Believe", "We Belong", "Sweet Caroline", and "Lose Control".

The fallout from tribal council leaves one castaway feeling like they are on the outs. During the reward challenge tribes must shoot their shot to land a win and earn an advantage.

Two previous champions battle it out for the chance to compete against one of our titans of the forge: Gladiator of the Forge Jesse Hu, Superchamp Collin Sage, or our Undefeated Judge Ben Abbott. But first they must face off in a brutal 5-hour challenge, where they have to pick a box and build a signature blade using whatever method is inside. The winner will then have 8 hours to make the intimidating Kachin Dao. Will their weapon stack up and be able to Beat the Unbeaten?

Guy Fieri challenges three experienced chefs who know how to make each ingredient count to prepare their best pork dish using only 10 items. The winner earns an automatic $15,000, while the other chefs are eliminated. The winning chef can then wager up to $5,000 of their earnings in a second express lane battle against the all-star judge of their choice. Chef and Judge must make their seafood favorite using only nine items from either the odd or even aisles - all depending on the flip of a coin.

Violet risks her job to deliver a baby on a tragic call. Mouch, Capp and Tony help Cruz track down Javi's stolen bike. Damon's departure weighs on Severide.

When it's revealed that a student in Jacob's class has ringworm, the faculty must band together to stop it from spreading through the entire school.

Assistant State's Attorney Chapman assists Intelligence with a sensitive investigation that drudges up painful memories for Voight.

When Chris, Drew, and Greg start a breakdancing club to get out of gym class, Greg tests the limits of Chris' friendship. Tonya wants to wear grown up clothes, and the guys at the barbershop try to cure Julius' "butt blindness".

Chris enlists Tonya to help him break up with a girl, Drew prepares to give a speech about the time Jackie Robinson held him as a baby, and Julius tries to one-up his "fake-doctor" chiropractor brother Louis.

Jimmy grapples with his guilt over Grace. Paul makes a decision about his relationship. Liz tries to help Gaby find balance in her busy life.

Desi Lydic explores Kamala Harris's appeal to Black male voters, and Trump's bizarre claim of being the "father of IVF". Hollywood actor Jason Segel discusses his Apple TV+ series "Shrinking".

Yubin's team investigates the theft of the "Chungwoonsansudo" painting from Professor Kim's collection, focusing on those with access to his home.

Stephen welcomes actor Stanley Tucci and actor Harvey Guillén.

Following a debilitating accident, a tech billionaire assigns a robotic clone to temporarily replace himself... or at least that was his plan.

End of semester Christmas celebrations change everything for everyone - again.

Paul and Jimmy disagree about Sean's treatment plan. Gaby's sister asks for her help. Liz has an idea for boosting business at the food truck.

Cece is determined to perfect a lift and needs Benoit to do it. But as they get to work, things are starting to go horribly wrong around them.

It's time for some girl power when one woman wipes the floor with her opposition and carves out a big chunk of turf in a timed head-to-head trivia duel!

Familiar Teen is much more than he seems, and his connections to the rest of the coven are revealed.

Lois is forced to make a difficult decision.

Yubin arrests a suspect who reveals that someone else has stolen the painting. The team goes undercover to catch the real culprit.

Carlotta forms a bond with Lucie Vinson, Wanda's schoolmate. Dedo and Ole stumble upon a new clue.

An unexpected death hits the Tamayo family. Julito makes a new friend. Marigaby's personal life gets complicated.

With time running out, Lara and Camilla lead a desperate mission to separate the peril stones from Devereaux - whose body undergoes a monstrous change.

The Muxes spring into action to drive Felipe away. Ana finally hears what really happened to Pedro, but the turmoil in the town is far from over.

Seeking a country retreat for all their family, Ross and Cathy use their knowledge and love of the outdoors to build a cutting-edge straw home that can withstand the harshest of elements.

Robyn breaks out of juvenile detention to see her dying grandfather Ringer, only to discover that he wants her help to escape the hospital and return home to do one last thing.

Alex Horne shows off his prowess with a pair of pliers, Jack Dee adopts a charismatic New York accent, Emma Sidi enjoys a Taskmaster tipple, and Babátúndé Aléshé makes a lovely little otter.

Carmody gets outstanding exam results and is offered a position in a research program in London but he wants to turn it down so that he can stay at Skeldale where he can support the war efforts as a vet. Siegfried is relieved but worries that he might be holding Carmody back.

When Rhiannon's victim is discovered, she goes on a mission to find out who he was - and whether he deserved it.

Gideon has found his people; the only problem is they're all naked and it's a cult. It's up to the gang to rescue him. They pose as cult members to get close, but before long they're in dangerously deep and need rescuing themselves. Elsewhere Tommo teams up with a one-time dance arcade champion to bring down a rival club. The kid gave up on his dream long ago, until Tommo inspires him to get his groove back.

Rachel returns to the church, where arranged marriage is making a comeback.

David teaches Rachel to drive - which goes about as well as you'd expect.