Castaways compete in an all-new immunity challenge; a new twist is unleashed into the game; one castaway is crowned sole survivor and awarded the $1 million prize.

TWO-HOUR 35TH SEASON FINALE

(Originally Aired: Wednesday Dec 20, 2017)

The castaways reunite.

(Originally Aired: Wednesday Dec 20, 2017)

How the first cats arose in Asia and eventually came to conquer Africa; an in-depth look at lions, servals, caracals, cheetahs, tigers, fishing and sand cats.

(Originally Aired: Wednesday Nov 02, 2016)

Scientists test avian aptitude with brainteasers that reveal acute intelligence.

(Originally Aired: Wednesday Dec 20, 2017)

The extremes of true flight — power, acceleration, top speed, maneuverability and endurance.

(Originally Aired: Wednesday Jul 06, 2016)

The ladies from Vegas try their own bidding style; Brandi and Jarrod try to phone it in; Kenny and his brother show everyone that family comes second.

(Originally Aired: Wednesday Nov 29, 2017)

The ladies from Vegas meet Dave, who promptly takes their locker away; Kenny uses Mary as a shield, and the two find their way to a decent unit of their own.

(Originally Aired: Wednesday Nov 29, 2017)

The buyers lose their minds in West Covina, Calif.; Kenny hunts for cougars, but finds a portable pulpit instead; Ivy shows the ladies how to dress for success.

(Originally Aired: Wednesday Dec 20, 2017)

The buyers visit Moreno Valley, Calif.; Justin’s congeniality earns him Rene’s goodwill and a chance to level up; Darrell’s tubular locker tests out okay.

(Originally Aired: Wednesday Dec 20, 2017)

Ozzy and Jack endure a long drive to Utah’s San Rafael Swell to visit the Mars Desert Research Station; along the way, the men visit Jack’s survival expert friend and spend the night in a Native American tepee complete with flat-screen TVs.

(Originally Aired: Wednesday Dec 20, 2017)

Trying to fix their fractured friendships, the women take a trip to Milan, but rising tensions lead to an explosive fight that may divide them forever; back in New Jersey, Joe hosts a guys night.

(Originally Aired: Wednesday Dec 13, 2017)

Still in Milan, Margaret tries to mend her friendship with Siggy; Margaret and Danielle go to a shoe factory to develop Margaret’s shoe line; Dolores and Melissa have a heart to heart; in New Jersey, Joe checks in with the Guidice kids.

(Originally Aired: Wednesday Dec 20, 2017)

On their last day in New Orleans, the women try to salvage the experience in spite of Mariah’s return; Simone plans a surprise, but it hits a snag when Heavenly smells a devil; the women hold a forgiveness ceremony; Quad faces a tough homecoming.

(Originally Aired: Friday Dec 15, 2017)

In Hawaii, the Raneys attempt to save two homesteaders whose dream homestead is in a flash-flood zone; as the weather closes in, they try to save the property from the water.

(Originally Aired: Wednesday Dec 20, 2017)

The Raneys help an Oregon homestead trapped at the bottom of a 100 foot cliff that separates them from four acres of land that they need for food and livestock; Marty takes a risk forming a road up a bedrock cliff to a forest with mountain lions.

(Originally Aired: Wednesday Nov 29, 2017)

Brie struggles to enjoy herself on her first vacation away from her newborn, but Brie Mode eventually makes a return; the tension between Nattie and Lana reaches a climax and threatens to ruin everyone’s time.

(Originally Aired: Wednesday Dec 13, 2017)

After surviving her first trip away from Birdie, Brie becomes inspired to make a comeback in the ring and in her business career; Trin introduces role-playing in the bedroom to spice up her sex life; Maryse dares Mike to be a vegetarian for a week.

(Originally Aired: Wednesday Dec 20, 2017)

After surviving her first trip away from Birdie, Brie becomes inspired to make a comeback in the ring and in her business career; Trin introduces role-playing in the bedroom to spice up her sex life; Maryse dares Mike to be a vegetarian for a week.

(Originally Aired: Wednesday Dec 20, 2017)

Alton Brown called it the most amazing battle in Iron Chef history; challenger John Fraser came to Kitchen Stadium without sous chefs, so Michael Symon kicked his out as well.

(Originally Aired: Wednesday Dec 20, 2017)

Alabama native Chef David Bancroft crosses knives with New York chef Roxanne Spruance over the most favorite of fruits; the winning chef takes on Iron Chef Jose Garces in a meaty match up.

(Originally Aired: Wednesday Dec 20, 2017)

New Orleans chef Brian Landry cooks off against Chicago chef Ryan McCasky using a super decadent ingredient; the winner gets a shot against Iron Chef Stephanie Izard in a deep-sea duel.

(Originally Aired: Wednesday Dec 13, 2017)

Interior designer Laura is sent to her hometown of Sante Fe, N.M., to remodel a landmark hotel in time for a Christmas Eve benefit dance performance. As Laura dives into the renovations, she discovers that a former love is the star of the benefit.

(Originally Aired: Wednesday Dec 20, 2017)

Hoping to spur her longtime beau to action, a small-town veterinarian wishes upon a snow globe that this will be her most romantic Christmas ever.

(Originally Aired: Wednesday Dec 20, 2017)

Guided by Bishop Heahmund’s visions, the Saxons devise a battle plan; Ivar the Boneless strategizes as the Vikings undergo increasing pressure; Bjorn Ironside finds himself in a new territory and must convince the local commander he is a trader.

(Originally Aired: Wednesday Dec 13, 2017)

Ivar meets his match in Bishop Heahmund; Floki returns to Kattegat; Bjorn receives a lavish welcome in North Africa.

(Originally Aired: Wednesday Dec 20, 2017)

On the pope’s orders, Landry and Tancrede strive to discover the Holy Grail’s whereabouts; meanwhile, the plotting behind the royal wedding becomes deadly.

(Originally Aired: Wednesday Dec 20, 2017)

Monie’s marriage is threatened when Juicy reveals some damaging information about Morlin; Andrea struggles to find a balance between her relationship with Chris and her friendship with her sister.

(Originally Aired: Wednesday Dec 20, 2017)

Additional scenes from the series.

(Originally Aired: Wednesday Dec 20, 2017)

Monie finds herself caught in the middle after Juicy and Morlin’s blowup at Tanya’s baby shower; Minnie helps Sam confront her worsening hair loss; a trip to the doctor forces Andrea to reveal a big secret to Amanda.

(Originally Aired: Wednesday Dec 20, 2017)

With the master suite renovation underway, Cory gives Terra and Joe some bad news that could shatter their budget; Stephanie and Terra disagree about key design elements.

(Originally Aired: Wednesday Dec 20, 2017)

Reminiscing about Chelsea and Cole’s relationship from the first moment they saw each other.

(Originally Aired: Monday Dec 18, 2017)

Cast members reminisce.

6TH SEASON FINALE

(Originally Aired: Wednesday Dec 20, 2017)

The MythBusters take on Hollywood’s greatest invisible assassins with a trio of tall tales of ingenious booby traps.

(Originally Aired: Wednesday Dec 13, 2017)

Tackling two explosive ballistic mysteries: if a dead body is bullet-proof and if a strange non-Newtonian fluid called oobleck is bomb-proof.

(Originally Aired: Wednesday Dec 20, 2017)

The MythBusters investigate if a water-heater can turn into a destructive torpedo, and reveal the explosive power of flatulence.

(Originally Aired: Wednesday Nov 29, 2017)

Sax journeys through a dark past while he and Happy track his daughter; Merry and Amanda make a chilling discovery; Very Bad Santa coerces information out of Hailey about her dad.

(Originally Aired: Wednesday Dec 20, 2017)

After three years, the gang reunite when an assailant targets one of their own.

(Originally Aired: Wednesday Dec 20, 2017)

Raj designs a scavenger hunt that brings out the best — and the worst — in the whole gang.

(Originally Aired: Thursday Oct 03, 2013)

Sheldon wants revenge after Amy ruins one of his favorite films; Leonard finds a way to get Penny to do anything; Stuart and Raj make online dating profiles.

(Originally Aired: Thursday Oct 10, 2013)

Sheldon and Amy’s relationship is tested when she takes a job at his university; a fight with Bernadette leaves Howard sleeping on Raj’s couch.

(Originally Aired: Thursday Oct 17, 2013)

Sheldon’s latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.

(Originally Aired: Thursday Oct 24, 2013)

When Professor Proton asks Leonard for help with an experiment, Sheldon retaliates by befriending Proton’s rival, Bill Nye.

(Originally Aired: Thursday Nov 07, 2013)

(Originally Aired: Wednesday Dec 20, 2017)

Santa takes Flynn, Baird and Jenkins on his first vacation in centuries; the Librarians use Santa’s sleigh to save Ezekiel’s career-criminal mother, as well as Christmas itself, from Santa’s grinch of a brother, the Patron Saint of Thieves.

(Originally Aired: Wednesday Dec 20, 2017)

Drawn into the world of Baird’s favorite film noir movie, the Librarians must perfect their skills in lassoing, sharpshooting and snappy dialogue to make it out alive.

(Originally Aired: Wednesday Dec 20, 2017)

Santa takes Flynn, Baird and Jenkins on his first vacation in centuries; the Librarians use Santa’s sleigh to save Ezekiel’s career-criminal mother, as well as Christmas itself, from Santa’s grinch of a brother, the Patron Saint of Thieves.

(Originally Aired: Wednesday Dec 20, 2017)

Teddy’s brother faces life in prison; Sky makes a life-changing phone call; Melody receives a letter from the IRS; a brawl breaks out at Black Ink.

(Originally Aired: Wednesday Dec 13, 2017)

(Originally Aired: Wednesday Dec 20, 2017)

(Originally Aired: Wednesday Dec 20, 2017)

Joe Buck has an intimate conversation with NASCAR legend Jeff Gordon about competitive racing at the age of seven, his rivalry with Dale Earnhardt, and winning four cup championships.

4TH SEASON FINALE

(Originally Aired: Wednesday Dec 20, 2017)

In New Zealand, every boy dreams of joining national rugby team the All Blacks, a team that strives to embrace Maori culture. For young Maori student Pou Sorensen, making the team would be an achievement of both personal and cultural significance.

2ND SEASON FINALE

(Originally Aired: Wednesday Dec 20, 2017)

Photographer and director Sam Jones hosts an intimate and in-depth conversation with the most iconic artists, actors, musicians, and directors of our time in order to shed light on what makes these individuals prolifically curious and fearless.

(Originally Aired: Monday Dec 18, 2017)