It's nearing the end of the list racing season, and the racers make big changes in a last-ditch effort to move up the list; on race night, untested cars lead to big problems.

Farmtruck and AZN can't say no when they're invited to Summernats, an annual burnout competition in Australia; they buy a new truck, ship it to Australia and get it ready in time to learn the true definition of burning rubber.

Farmtruck and AZN invite the 405 racers out to Willow Springs International Raceway for a road race competition; the racers pair up to compete in a time-attack competition in which the pair with the fastest combined times will take home $10,000.

Monza gets a chance to come for the list after his wreck; Shawn makes plans to get back into the top five; Farmtruck and AZN find a fun use for discarded airbags; things heat up on race night as drivers make up for lost time.

Farmtruck and AZN head to Kansas to fish with the new and improved Gonorail; back in Oklahoma, Ryan and Dominator repair broken cars in preparation for list racing, but when a driver gets out of control, the evening is brought to an abrupt end.

Ryan Martin looks over his car, while Chief and Dave push each other in a testing session, as they get ready for another chance at being number one; when it's time to race, the racers fight to move up the list until broken cars slow everyone down.

The 405 is ready for another season of list racing, but this time they're hoping to put the past behind them, come together and try to make street racing fun again; on race night, the same old games threaten to break them apart before they start.

The 405 is in California taking on Boddie and his group of racers, but it hasn't been an easy night so far; this time around, there's more than just money on the line.

When Big Chief gets a call from California street racer Boddie inviting the 405 to come out West for a race, there's no way Chief can refuse; the OKC racers all pack up and head out for an epic night of racing with more than $20,000 on the line.

While Ryan and Dominator repair broken cars to prepare for list racing, an out-of-control Monza brings the night to an abrupt end; Monza gets his chance to come back for the list while things heat up on race night with Shawn.

It's finally time for the Toilet Bowl 500, and the racers are ready to do some serious damage; Chuck and Reaper seem like early favorites, but wildcards Tina, Ed and Monza take a stand.

When Farmtruck finds a fleet of old police cars at the salvage yard, he and AZN decide that the best use for them would be a giant demolition derby, the likes of which the 405 has never seen; drivers from OKC, Texas and Mississippi all get to work.

When Big Chief gets a call from California street racer Boddie inviting the 405 to come out West for a race, there's no way Chief can refuse; the OKC racers all pack up and head out for an epic night of racing with more than $20,000 on the line.

When Farmtruck finds a fleet of old police cars at the local salvage yard, he and AZN decide that the best use for them would be a giant demolition derby, the likes of which the 405 has never seen.

A first look at the season premiere of "Street Outlaws;" JJ and the Memphis Street Outlaws decide to host an arm-drop race at a local airstrip; when rain moves in quickly and puts the race on hold, JJ decides to finish on the street.

Street racers in Oklahoma work to be considered the best of the best in their sport.

It's time for the final event in the second season of No Prep Kings, and the stakes have never been higher; Ryan Martin, Mike Murillo and Larry Larson are willing to give it all they've got to take home the $250,000 and the title of No Prep King.

Racers arrive in Benson, N.C., for the second to last No Prep Kings race of the season, but the track is trickier than normal; it's the last race before the double points finale, so for anyone with their eyes on the prize, it's now or never.

It's almost time for the No Prep Kings finale; while Ryan Martin, Mike Murillo, or Larry Larson are poised to win the Points Championship, Boosted, Chuck and the other racers buckle down and get ready for the final showdown.

Racers move into the second half of the seventh race in the No Prep Kings series; with most of the top points leaders still in the race, the pressure is on for them to go all the way.

Racers arrive in Norwalk, Ohio, for the seventh race in the No Prep Kings series; with only a few races left, the points race for the championship is on; the racers must find the right tune or spin the tires and go home.

Buying diesel trucks headed for the scrap heap and giving them new leases on life has turned into big business for the Diesel Brothers. Led by Heavy D and Diesel Dave, the crew works hard and plays harder as they trick out the trucks for use in elaborate pranks and stunts, all of which becomes a marketing tool on social media. Millions of hits later the company is known as the destination for diesel lovers who are looking for custom builds, crazy stunts, pranks and hilarious antics.

Back to the beautiful state of Alaska for another reality-documentary series, this one set in the Arctic National Wildlife Refuge, a protected area home to thousands of native animals... and a handful of people. In 1980, the U.S. government banned human occupation in the refuge, and only residents in seven permitted cabins are allowed to remain. The series depicts the daily rituals of four families living in isolation and contending with bitter weather, frustrating setbacks, and aggressive wildlife in an unspoiled and unforgiving wilderness. The nonconformists include Heimo Korth, the "godfather of the final frontier," and wife Edna; Bob Harte, who has spent 40 years living by his own rules; and young couple Bob and Ashley Selden, who admit that they've survived by trial and error, learning day by day the harsh reality of frontier living.

Richard Rawlings and Aaron Kaufman deal in rusty gold. The proprietors of Gas Monkey Garage in Dallas buy, restore and resell forgotten, derelict American cars, everything from 1931 Model A cars to '73 Trans Ams. As "Fast N' Loud" shows, Rawlings is the mastermind, a deal-maker with an eye for relics worth their efforts, and to find them the guys search barns, fields and auctions across the U.S. Kaufman manages most restorations. He's a fabricator and self-taught mechanic, whose techniques and design skills first endeared him to Rawlings and kick-started the partnership. At the end of Season 12, that partnership ended when Kaufman exited Gas Monkey, leaving Rawlings as the series' sole star.

Tradition collides with transformation in McCarthy, Alaska. The isolated town -- once considered to be the state's version of "Sin City" -- flourished during the Gold Rush but is now home to roughly 40 people, a mix of mavericks, risk takers and rabble rousers willing to brave extreme conditions to live free. While some believe in continuing the town's frontier way of life, others feel the future of McCarthy depends on dragging it into the modern age. Long-standing resident Jeremy Keller fights to protect its roots, while Neil Darish has purchased multiple properties in town and plans to restore its vibrancy. "Edge of Alaska" tells the story of a hinterland at a crossroads.