A hydraulic tank gives a business a boost and comes with a hidden engagement ring; a diner owner wants a tank to go with the restaurant's decor.

A pinball-machine tank for an arcade-game enthusiast in Chicago; a tank for a robotics-systems company in Massachusetts.

A tank for a tattoo parlor in Las Vegas to soothe nervous customers; a show piece for a furniture store in North Carolina.

A baseball team in Pensacola, Fla., asks for a tank inside a school bus; Brett designs an aquarium resembling a bottle of nail polish—complete with hand driers—for his mom's salon.

The crew discuss their favorite tanks and pranks from Season 1 in an episode that features unseen footage.

The guys go to Southern California to build a 35 foot long marquee tank for Valley View Casino under a serious time crunch, then head back to Vegas for a freezing cold jellyfish tank inside of the Monte Carlo Minus 5 Ice Bar.

The guys countdown their toughest tank builds from season 1. Brett and Wayde will take us through the sleepless nights, the experiments, and down and dirty moments that made some of the most amazing tanks you've ever seen.

A KISS-theme tank for a miniature-golf course in Las Vegas is designed to look like a rock concert, complete with the band’s logo and a light show; a pet-supplies retailer wants to celebrate its commitment to animals, and Wayde suggests saltwater and freshwater tanks, and a terrarium for snakes.