Wilson and Sousa test common household warnings by doing exactly what each warning says not to do. They survive the series premiere despite setting off fireworks indoors, building and using a walk-in microwave oven, heating canned goods directly on the stove, and tossing a propane-filled cooking canister into a fire.

Wilson and Sousa test which foods are most flammable; they also test other warnings, including: never play baseball indoors, never cook eggs in their shell in the microwave, and never play with electricity.

Wilson and Sousa experiment with rockets to speed up the slow process of drying laundry, try cooking with space heaters, play indoor golf and demonstrate why deep-frying frozen foods is a bad idea; toaster vs. popcorn maker.

Sousa and Wilson try heating a bottle of champagne in the microwave, use chemistry to add a sunroof to Teddy's car and wager on which is the more crafty vermin: indoor mice or outdoor raccoons.

Wilson and Sousa try indoor target practice with a crossbow and indoor grilling with a charcoal barbeque; they also experiment with converting the hot-water heater into a coffee maker and discover why propane-filled balloons aren't as fun as they sound.

Sousa and Wilson try to light a fuse without a match and light candles from across the living room; they add heavy objects to a washing machine's spin cycle, study the effects of indoor motocross, and learn why firefighters are scared of oxygen fires

Wilson and Sousa discover why driving with open gasoline containers in the back of the car is a no-no; how to keep a barbeque lit in the rain, how to cook with a dishwasher, why parents don't want you jumping on the bed.

Wilson and Sousa find out why explosives are rarely used in cooking or interior design; waffle maker vs. rice cooker; a full-size remote control car puts Norm in the back seat with Teddy at the wheel.

Wilson and Sousa learn why overinflating tires isn't wise, experiment using explosives for a home reno project and attempt to move furniture with dry ice; is beer flowing from the faucets really possible?; how much damage could a bathroom flood cause?

Hosts Norm Sousa and Teddy Wilson try gardening with explosives, build a DIY home alarm and discover that the fastest way to move a piano isn’t necessarily the best. Also in this episode: A fiery twist is added to the sport of indoor bowling and Appliance Death Match concludes with a thrilling three-way final.

Hosts Teddy Wilson and Norm Sousa invent a dangerous new way to cook using cooking spray, try out destructive new ways to win a food fight and find a very messy new way to whip cream. Also: why you should never, ever mix water and hot oil.

Hosts Norm Sousa and Teddy Wilson attempt to build an in-ground hot tub with explosives, use glow sticks to try and create the world's biggest night light and attempt to remove an entire exterior wall of the house. They also learn why piñatas can be destructive and find out why knocking over a propane tank without a regulator should be avoided at all costs.

Hosts Norm Sousa and Teddy Wilson add an explosive twist to the sport of skeet shooting, try to invent a faster way to paint a room and, in their final experiment of the season, learn why you should never, ever introduce a spark when you smell a gas leak in the house.

Hosts Teddy Wilson and Norm Sousa return to the site of the house for Never Ever Do This At Home: After the Mayhem, a special, full-episode look back at the season's highlights. Featuring the scariest moments, the biggest fails, unaired segments and lots of behind-the-scenes footage.