Teams race through Switzerland, where Racers bungee jump over 700 feet off the Verzasca Dam.

The Legends are tired of being chased by an evil A.I. and her robo-soliders, so Sara decides to create an aberration that will allow the team to take back the Evil Waverider. However, the Legends find themselves in a Bar for time-travelers, and quickly learn that this "fixed point" is popular with time-travelers, leaving Sara questioning her odds at winning. With Behrad and Astra growing closer, Zari and Spooner are forced to awkwardly interact with each other as the rest of the Legends are paired up on the mission. Meanwhile, Ava hears Gwyn's plan to save his boyfriend, and Ava is forced to remind him of the consequences if he succeeds.

Batwoman's hands are full as she juggles Jada's demands, Mary's ever-increasing power and a new romantic entanglement. Loyalties are tested and motives come into question as Batwoman races against the clock to once again save the city and those closest to her.

Andrew and Khia play matchmaker for Sebastian. At work, Camille struggles with a firing spree and Ramesh helps Leo unclog his "mind palace".

Competitor turned judge, Ben Abbott, remains undefeated in the forge; but soon that could change. In part four of this five-episode "Beat the Unbeaten" challenge, two smiths who faced Ben in his first Forged in Fire competition are back to seek their revenge in a single 5-hour showdown. Will Ben Abbott retain his title of "The Unbeaten"?

Sam and Kelly's friendship is put to the test when they're forced to work with Kelly's ex-boyfriend, whose intel gives them their biggest lead yet on the pink cocaine and 3D guns.

Guy Fieri and his son Hunter throw challenging games at three food fanatics who are out to prove that their sandwiches stack up against anything found in a restaurant. First, they make a Herculean hoagie despite the ingredient limit imposed by the express lane. Then, the competitors pick the type of sandwich they'll make with a wicked game of Menu Magnet Madness. The Sandwich King himself, Jeff Mauro, helps to crown the $10,000 winner, who is invited back to take on other winning food fanatics.

Tim treks to the town of Tequila in search of the moonshine of Mexico; Tickle, Josh and the Laws build an assembly line of submarine stills for a large-scale run of pricey cherry shine; Mark and Digger take backwoods rye to a whole new level.

Kindly youth advocate Adam struggles with his body image and hopes his online girlfriend Mercy is really the one, and a sting operation leads Nev and Kamie to a stunning Catfish first.

Harry, the alien, is back on earth but doesn't remember who he is and only Asta can keep him safe.

When Dr. Sam Griffith tracks down a deep-pocketed anonymous hospital donor, she's shocked to discover why the donor is so loyal to her father, Griff. Also, Griff offers to mentor his daughter and assure her succession.

Astrid and Lilly open a portal to another dimension and must save humanity from a monster invasion.

The twins return home to simmering unrest as a movement to release the Dragon King gains momentum.

Supreme Court Justice Stephen Breyer announces his imminent retirement, Trevor examines the ethics of stock trading by members of Congress, and actor Rick Glassman discusses "As We See It".

The twins train to partake in Louis's plan to destroy the Dragon King; Elda explores her powers.

Jimmy welcomes actress Halle Berry, actor Dave Franco, and a musical performance by Dijon.

Stephen welcomes actor Adrien Brody and a musical performance by Lady Wray.

Marty is tasked with proving Omar wasn't involved with a bombing. Wendy pays a visit to the Lazy-O Motel. Ruth and Wyatt make a plan.

An unexpected ally emerges.

During the First Frost, Gobo and Wembley retrace the trek of a heroic adventurer and learn she may not be quite what they expected.

James welcomes actor Daveed Diggs, actress Sydney Sweeney, and a musical performance by Joy Crookes.

The candidates enter the choppy waters of the fish business, sourcing a catch of the day and creating a fish dish to sell to the public.

PC Charlie MacIntosh has a decision to make. Offered an exciting opportunity away from the Police, will he run for the hills?

Bella moves to Italy to set up a quintessentially British hotel in the town of Portofino.

Danioni worms his way into the Ainsworth's affairs, helping Cecil arrange for a family heirloom to be sent from England.

The younger inhabitants of the hotel find ways to let their hair down, while Cecil and Jack shake on a shady deal for the sale of the Ainsworth family heirloom.

Bella finally stands up to Danioni, who hands over compromising correspondence to her husband, but before Cecil can confront her, the Ainsworth family heirloom goes missing.

As the local police search the Hotel for the missing heirloom and various guests and employees come under suspicion, Cecil finally confronts Bella over her compromising letter.

As the mystery of the missing heirloom is resolved, proposals and critical decisions are made, and Cecil attempts a reconciliation with Bella.