A polar vortex brings extreme cold and brutal working conditions to truck drivers and heavy wrecker operators on BC's Coquihalla Highway. Colin fights to recover a frozen rig. Cam finds himself in a deja vu dilemma with one of Jamie's classic wreckers. And an up and coming operator slides to the edge of disaster.

Christmas caroling is a Moody tradition that Sean Sr. does not take lightly. However, when an unexpected guest shows up to the Moody house, caroling takes a hilariously embarrassing turn.

Jesse Palmer challenges the five bakers to create assigned desserts that are inspired by and look like Santa Claus. To secure their place in the final four, the bakers are tasked with creating impressive cakes made to look like another icy North Pole staple: an igloo. Judges Nancy Fuller, Duff Goldman and Lorraine Pascale decide which bakers move on to the next round and which one goes home.

Nothing says "Happy Holidays" like having all your favorite festive foods in one place. Brad Miller finds the Yuletide spirit with his favorite holiday steak from Harry's Savoy Grill in Wilmington, Del. Andrew Zimmern delivers a dim sum favorite from New York City's Nom Wah Tea Parlor, and no holiday is complete without Geoffrey Zakarian, who stops by with a sack full of goodies from Sift Bake Shop in Mystic, Conn.

A mother of three boys wants to sell the house they've called home for eight years. She doesn't have her own bedroom and she's had enough. Her oldest hopes to change her mind as he loves the large property and his mom's short drive to work.

In Nanuet, N.Y., Michelle Despinasse is shot inside her home and succumbs to her injuries after being rushed to the hospital; investigators discover that Michelle made a secret recording in her final moments that reveals her killer's identity.

The Pierce family fears for Jennifer's life.

Lola exercises a rarely used judicial power when she fires a lawyer for failing to provide a robust defense for his client. Also, Mark's dad, Vic, is arrested for murder.

Wrappers try to creatively incorporate lights into their holiday designs; some wrappers' gifts light up the judges' eyes with wonder, while other packages move the judges to tears; guest judges Candy Spelling and Diggy Simmons.

Sean Jr. finally agrees to join Sean Sr.'s Moody Heating and AC business, but trouble ensues when a rival company infringes on their territory. Meanwhile, Bridget finds someone in whom to confide, while Dan struggles with the guilt of being interested in cousin Marco's girlfriend, Cora.

In the Faster Craft, the Makers are tasked with transforming an ordinary cake from the grocery store into an extraordinary confection using candy and different cake decorating materials. And in the Master Craft, Amy and Nick take the makers to the office when they must decorate a boring cubicle and turn it into an inspirational workspace.

There's no hiding when Eddie Jackson tasks five of America's best cookie makers with creating Christmas character masks made of cookies. Judges Vivian Chan, Ree Drummond and Dan Langan decide which masks are marvelous and which are just misses. Then there are more ho-ho-hijinks as a mischievous elf pops up in the pantry and all over the workshop! Inspired by his antics, Eddie asks the cookie makers to create delightful 3-D cookie displays capturing the elf's adventures. Mischief and mayhem abound as the cookie maker who best captures this tiny terror earns $10,000.

NBA basketball player Lorenzen Wright goes missing outside of Memphis, Tenn., then his body is discovered in the woods, and investigators find out this case is far from a slam dunk.

Guests include Timothée Chalamet, Ashley Graham and musical guest Summer Walker.

1. Jack Black ("Jumanji: The Next Level")
2. Michelle Wolf ("Michelle Wolf: Joke Show")
3. Musical Guest Allen Stone

Artist Meredith Gaston and her husband Kevin Lindemann want a modern landscape to surround their house in Victoria's Mount Eliza. Instead, they have a neglected 40-year-old garden full of weeds and disease riddled trees.

Wilma must take a break from her croft to undergo a serious operation to remove a kidney at the Gilbert Bain.

Jules Hudson is in Herefordshire on a mission to help a self-confessed workaholic osteopath with a £450,000 budget find a country retreat that gives her peace and inspiration to write and relax.

While the house hunt hots up, Jules also visits an archaeological dig at Dorstone Hill, which has broken new ground in what is known about how our Neolithic ancestors lived.

Ryan must speed through his stacked challenges before meeting his clock beating playdate.