MOTORTREND HD

As six racers move into the final night of racing, Brandon James fights for a repeat win, youngster Shelby continues to impress and Bobby gets challenged for jumping on every race; a new Mega Cash Days winner is crowned and earns the $100,000.

The sixteen racers in the winners' bracket compete to remain undefeated; Boddie Jr. faces a protest from his teammate, Shelby proves age is just a number, and Tricia battles car problems before a big matchup.

In the fourth and final round, Murder Nova, Scott Taylor and both Boddies make their first runs; Boosted must make difficult decisions, Jerry Bird faces nitrous problems, and Boddie Jr. races against a former teammate.

Four Bracket 4 losers, including Murder Nova, Doc, Jerry Bird and Stephen Chase, face car issues as they get another chance; Jerry still needs help with his nitrous, James Strang struggles to get going, and Jim Howe battles electrical issues.

Diesel Dave picks his first giveaway truck and dreams big, attempting to build the 2020 version of the Kodiak; Todd LeDuc challenges the guys to a desert race and flips the script by picking The Muscle to be on his team.

Diesel Dave continues working on his epic modern-day Kodiak while making sure he doesn't break the bank; Sam the Mad Scientist unveils The Kraken; a diesel-powered monowheel vehicle that is unlike anything the guys have ever seen.

In an emotional moment, Courtney and her team at ROYL Garage surprise 9/11 first responder Tory Diblasi with the IROC of his dreams.

After 40 years of repairing Lincolns for others, master mechanic TC receives a surprise; Courtney and her team reveal a custom 1965 Continental convertible during a celebration in New Orleans.

Loving wife Kim sent Bob's story to ROYL Garage 50 times, a true squeaky wheel; after battling cancer and founding the Have a Ball Foundation, Bob gets a Ballin' Pony that wowed even Brad Pitt at Monterey Car Week.

Dan sees only one solution for a man who wants a partial restoration for his father's rare 1962 Maserati; Volkswagen fanatics seek perfection for their worn-out 1966 Bug.

Severe salt corrosion nearly destroys a bright orange 1970 Shelby GT500; getting a rare 1970 Chrysler 300 Hurst into shape proves to be a challenge.

The junkyard is shorthanded and Bobby wants Andy to take care of it himself; Andy, though, has other plans, with his sights set on fixing up a girlfriend special Yukon.

The Martins face the challenge of trying to fit a 6'5" former football player into the cab of a 1967 Chevy C10, requiring customization of the firewall, motor, frame and interior.

Facing deadline, the shop struggles to fit a gigantic ex-NFL player into a tiny 1967 Chevy C10 that includes a customized leather interior and automated bed cover.

Joe is pushing his engineering chops to the limit by building a monster trike that would look right at home on the set of a "Mad Max" movie.

Shag and Amanda get a '65 Chevy II Nova for a steal, but as the team digs in, rat nests and rust are the least of their worries; the build requires a complete overhaul and has them thinking they bit off more than they can chew.

Fitment issues in the engine bay leave the entire shop scratching their heads; Joe has big plans for the '65 Nova, but a small space to work with.

A customer wants to surprise his wife with major upgrades to her '68 Corvette convertible, but working with the fiberglass body soon brings on headaches that threaten both the car and the shop to crack under the pressure.

The clock is ticking to complete a 1968 Corvette convertible, but messy fiberglass repairs uncover major collision damage; and if that wasn't enough, the customer also wants an all-white interior, which isn't a good fit for such a dirty job.

A time capsule rolls into the shop in the form of a 1983 Silverado with exactly 69.2 miles on it; the owner recently passed away, and his daughter wants to finish turning his truck into a modern muscle car under the hood.

Amanda and Shag stumble upon a '73 Vega with a rich history and a seller anxious to see his car restored to glory; they plan to chop the top and add an enormous engine, but first they must tackle over 40 years of rust and grime.

Joe Martin brings new life to old iron at his shop Joe Martin Customs; working with his wife Amanda, and best friend Shag, this custom shop oversees every phase of restoration from design, fabrication and mechanicals, to the final paint job.

A time capsule rolls into the shop in the form of a 1983 Silverado with exactly 69.2 miles on it; the owner recently passed away, and his daughter wants to finish turning his truck into a modern muscle car under the hood.