Comedian Howie Mandel wants a tank for his production office, but he can't decide on what kind he's looking for, so Brett and Wayde are on their own with the design.

NBA star Dwight Howard requests a fish tank and a new home for his pet snakes at his Texas mansion.

Comedian Gabriel Iglesias requests a tank inspired by his fascination with Volkswagen buses for his remodeled office, but the job is interrupted by a robbery at ATM's headquarters.

The NFL's Marshawn Lynch wants a tank inspired by his clothing brand.

Actor David Hasselhoff wants an aquarium that recalls his time on "Baywatch" and "Knight Rider," and the job includes an inspirational trip to the Aquarium of the Pacific in Long Beach, Cal.

Sherri Shepherd on the Rocks (Repeat, TV-PG) Actress and TV host Sherri Sheppard wants a simple but elegant tank for her home, so she contacts Wayde and Brett and asks them to build it for her.

Magicians Penn and Teller request an aquarium for their backstage greenroom to commemorate their 40th anniversary.

NBA legend Shaquille O'Neal is a repeat customer when he asks for another aquarium, but this time he wants one with an Egyptian theme.

Comedian Bill Engvall wants a Zen-like aquarium for his new office in Hollywood, but the plan could be derailed by weight restrictions. Also: The team build a tank for magician Penn Jillette's Las Vegas home that includes fish, lizards and insects.

Former Guns N' Roses guitarist DJ Ashba requests a skull-theme aquarium.

Ventriloquist Jeff Dunham wants ATM to build a theater-themed tank with a submerged working chandelier, starring his characters Peanut, Walter and Achmed.

The NBA's John Wall requests an aquarium shaped like a giant pair of dice. Meanwhile, the ATM team goes to Georgia to build a lighthouse aquarium for a seafood restaurant that features engravings of dolphins.

Boyz II Men's Nathan Morris requests a custom aquarium that will sit inside an old fireplace. Also: Wayde and Brett install a 1000-gallon tank for an octopus exhibit at the Greensboro Science Center in North Carolina.

That's just what the hosts of Animal Planet's Tanked gave him. The show, which hooks people up with unique fish tanks and aquariums, gave Butler the one-of-a-kind tank right in his home.

ATM rings in the holiday season as Wayde and Brett each try to out build one another in the world's first ever Tank Off! The competition between then heats up as Jackass creator Jeff Tremaine returns to judge who built the most badass tank!