With the $1 million prize on the line, the final 3 teams travel to New Orleans where, after visiting 11 countries, 17 cities, and travelling more than 33,000 miles, one team will be crowned the winners.

A look back at the best moments and performances from Season 4.

C.J. teaches Malik the importance on how to deal with pregnant women when him and Lisa have a terrible argument. C.J. and Malik suspect that Miranda is going on a date only to make Calvin jealous.

Four bladesmiths are faced with a gigantic challenge, scaling down a nine foot long dagger to exactly a fifth of its size. After a couple of intense rounds of putting their skills and calculators to the test, two competitors earn the right to return to their home forges and craft the largest sword in Forged in Fire history - the William Wallace sword. While two smiths will enter the final testing arena, only one will emerge victorious with $10,000 and the title of Forged in Fire Champion.

When Warrant Officer Ray Perry goes missing following an explosion in Tunisia, his former teammates wrestle with how to help their brother and his family while Bravo Team is sidelined.

The three finalists perform one last time before all are unmasked and one singer takes home the trophy.

Guy and Hunter send ingredients and challenges for a Hanukkah competition with Duff Goldman

Holden tries to convince Fred Johnson to destroy the last sample of protomolecule. Naomi gets an important lead to her son. On Luna, Avasarala begins to hunt for Marco Inaros.

Chris brings the SWAT team into her personal mission to save a teenage girl from a charismatic, predatory religious leader using his church for illicit gain. Also, Hondo receives troubling news about Darryl related to Leroy, Darryl's father, being released from prison, and Tan's wedding planning hits a snag.

After Aaron and Roswell agree to help a young woman facing deportation for a minor crime, they realize her case could be a key to exposing a broad pattern of police corruption. Meanwhile, Jasmine begins to spend more time at Ronnie's house and Marie grapples with the first signs of an empty nest.

Full Frontal celebrates the holiday season with an episode dedicated to the Georgia runoffs! Sam gives a rundown of what these races mean and interviews Senate candidate Jon Ossoff, while Allana Harkin travels to Georgia to meet voters.

Holden and Fred deal with infiltrators on Tycho. Drummer's past comes back to haunt her. Amos returns to Baltimore. Alex and Bobbie's investigation on Mars leads to rogue soldiers.

Desi Lydic braves a family Christmas party with relatives from Fox News, James Corden talks about "The Late Late Show" and "The Prom", and Tessa Thompson discusses her movie "Sylvie's Love".

Conan welcomes guest Christopher Walken.

Jimmy welcomes actress Tina Fey, director Patty Jenkins, and a musical performance by Marcus King.

Stephen welcomes actor Tom Hanks and a musical performance by Leslie Odom Jr.

Naomi comes face to face with Filip. Holden and Fred turn the tables. Avasarala closes in on Marco's plot.

After Hilda and Frida come across a magical portal at the library, they must team up with the librarian in a race against time to find a missing book.

The Warners argue with a talk show host about what's the issue.

Frank and Chet find a way to rescue their friend without giving up the Estabrook piece of The Eye to Stacy, while Joe, Biff and Phil break into the Estabrook Estate looking for the missing piece, but they're too late. With Fenton's help, the Hardy boys will have to find their way to the hidden Chamber to stop the Circle from reuniting the Eye. What happens next changes everything for them.

A reluctant bridesmaid to the core, Tumi arrives the day before her sister's traditional wedding day and manages to upset almost everyone.

Raquel continues to unravel a dangerous web of lies as she tries to determine whether she can trust even those closest to her.

A fundraising gala sets the stage for drama, as Nabil stirs suspicion and Bette makes a scene. Tensions between Oren and Shane hit a breaking point.

In the 1970s, the brutal murders of sex workers in economically depressed areas of the UK spark little public interest - until a teen is also killed.

A sudden illness rips through the beach camp, affecting nearly every castaway. As the girls fight for survival, we learn more about Leah's past and how she's been faring since her rescue.

Once a safe haven, the Beach becomes the arena for the next stage, where an epic witch hunt turns everyone against each other in a hostile showdown.

James welcomes actress Nicole Kidman, actress Kerry Washington, and a musical performance by Phoebe Bridgers.

Michael and Catherine clash over their next move. Elsewhere, the Worths' new plan causes problems for Anna, who makes a bold and dangerous decision.

Katherine Parkinson searches for a spider, Daisy May Cooper destroys a mannequin and Johnny Vegas's pocket watch finally comes in handy.

A conflicted Lunt is forced to make a decision with potentially deadly consequences. Meanwhile, Anna's predicament takes an unexpected turn.