Zack and Ari tour the twisty mountain roads and famous night markets of northern Thailand, while attempting to pay for their travels by selling American-style food to tourists and locals.
Zack and Ari attempt a run across Texas without stopping for food, gas or bathroom breaks.
Zack Courts and Ari Henning are off to Idaho, where winter weather ruins motorcycle trails every year and it's up to state trail rangers to fix the damage; the boys become honorary Rangers and head into the Sawtooth Mountains.
The boys head to Kathmandu, Nepal, to help Ram "The Bovine Biker" Neupane rescue sick and abandoned cattle using a motorcycle; Zack and Ari experience how challenging it is to transport a cow across the city on two wheels.
The boys set out to build a two-wheeler that can ride on land and water, and attempt to sail their new vessel to a deserted island in the middle of a lake, showing the world that there's a new king of the water.
The boys acquire a half-finished three-wheeler project and attempt to turn it into a competition-worthy machine for the annual Halloween Hillclimb event; it has a motorcycle back end pushing an automotive front end, and it needs a lot of work.
Team Throttle Out heads to Northern Italy to race hopped-up, vintage Vespas built for motocross tracks at the sensation of VespaCross.
Zack and Ari buy motorcycles in Mexico and attempt to ride them to Texas.
With the return of Zack Courts and Ari Henning, this episode sees the boys attempt a 1,200-mile road trip down the Baja Peninsula.
Zack Courts and Ari Henning debate which bike one would grab for the end of the world, or, better yet, which bike one would build if hordes of zombies were closing in.
Every motorcyclist loves the sound, smell, and charisma of a two-stroke, but these days they're all but extinct; Ari Henning and Zack Courts tackle the issue by trying to mount a 1987 Yamaha Banshee four-wheeler engine into a modern YZF-R3 chassis.
Zack and Ari hit the track to see whether a car or a motorcycle is faster.
Zack Courts and Ari Henning aim to solve the problem of limited seating on a motrocycle by creating a two-wheeler capable of carrying the entire family.