When Jerry Jr. learns that legendary chef Guy Fieri has bought a used Apocalypse Hellfire truck at an auction, he offers Guy free customization; Frank locks in a deal to build a custom Overland truck for internet superstar Nick The Wrangler Bishop.

Pop's returning customer from Texas wants a Ford Bronco converted into a pickup truck that can tow a 7,000-pound boat and is still fit for off-roading; Jerry Jr. orders the shop to paint a truck in a vivid neon green to chase likes and shares online.

Due to a windfall from a custom project, Joe plans to create the Boat Truck, an amphibious Jeep; with a buyer for the Defender falling through, Pop, Jerry Jr. and Frank are tasked with finding buyers for both the Defender and the Boat Truck.

A repeat client wants a tall, big work truck, so the team decides to build the world's first-ever, lifted Hummer EV; Ashley sets a company sales goal of 25 trucks at the upcoming Palm Beach Boat Show, sparking family tension.

A repeat client, Kim, calls as the company is about to leave their old shop; he wants an off-roading truck to comfortably seat his 11-person family, so Joe must get creative; Ashley's family revolts when Joe changes how sales calls are handled.

NBA star Shaquille O'Neal shows up unannounced at Apocalypse, to Jerry Jr.'s delight - he's been trying to get Shaq's attention for over a year; Joe begins work on Shaq's Juggernaut, but Jerry repeatedly interferes, forcing Ashley to step in.