Watch Baby Drivers

A crash brings the final race of the season to a sudden halt. The Biezonskys struggle to tone it down while Hudson fights to prove he's ready for Kadet. Lil Troy and Grayson look to continue their streak and Truly fights to carry on the Adams' legacy.

The Adams' racing team prepare to defend their home track as the racing season comes to an end, but unforeseen hurdles threaten disaster. The Biezonksys promise to tone down their wild ways while Grayson's parents debate moving to California.

The biggest race of the season kicks off, but Team Biezonsky is creating chaos under the Adams Racing tent. Grayson sets his sights on a final bid to make the team; Hudson seeks a rebound race in Santa Maria to prove he's ready for a move up to Kadet.

The Adams team prepares for the biggest race of the season. Grayson's dreams are shaken after a disastrous showing and Lil Troy struggles with the pressures of not winning. The Biezonskys turn to Troy to save their season after a health scare.

Grayson and his family contemplate moving to California to train with Troy year-round. Hudson's dad wants him to move up a class, but is it too soon? Truly struggles to remove junk food from his diet.

Coach Troy is raising up an elite group of adolescents to become the future of pro racing. Lil Troy sets his sights on dominating the Kadet class while Truly attempts to leap into the Juniors. Team Biezonsky tries to prove they belong in the upper tiers.

In the cutthroat world of motorsports, nothing is more intense than competitive go-karting. The parents of young racers know that if anyone can get their kid to the top, it's Troy Adams, but they must give it their all both on and off the track.