A request for a Feng Shui tank has Brett rearranging the office and on everyone's last nerve; a custom overhead bed tank for an little boy brings the ATM team to tears; and Heather gets her revenge tenfold by having Wayde & Brett go on a caged shark dive.

A fish feeding problem turns into an all-day affair, a tank on hydraulics gives a new business a lift and makes waves with a hidden engagement ring, and the owner of a free standing 1950s diner gives some heavy demands for a tank to match the décor.

A skateboard ramp tank has Wayde & Brett grinding their gears to find a solution to keep the acrylic from scratching; The ATM team builds a surprise octopus tank for Wayde's birthday; and Vegas weather is threatening a meltdown on an outdoor gumball tank.

A 57,000 gallon tank for a mega church is finally complete and ready to be baptized by Wayde and Brett; a engaged girlfriend surprises her fiance with a keg tank for his man cave; and Brett adds some uninvited flare to a lawyer's reception desk shark tank.

A quarantine tank for some hands on clients has the ATM team wishing for solitary confinement, Brett buys a clunker to build a car theme tank in record time without considering the consequences, and Brett is nervous to use his new scuba skills.

Wayde and Brett explore the other side of the law and design a 1000 gallon mob inspired tank, Heather reluctantly enters a shark tank to help place inserts, and the ATM team gives a relocated New York family a one of a kind NYC themed Phone Booth Aquarium.