Jamie Hyneman and Adam Savage revisit some controversial myths and put their own previous experiments to the test, including electric rails, exploding implants and cellphones at the gas pump.
Adam Savage and Jamie Hyneman find out if an unsuspecting scuba diver could be sucked out of the water by a helicopter and land in the middle of a forest fire. Also, from a banana in the tailpipe to sugar in the gas tank, movie motor myths are put to the test.
Jamie Hyneman and Adam Savage investigate the legend of Archimedes setting fire to a Roman fleet using only mirrors and sunlight. Then they try to remove the stink of a skunk and also test a direct hit on a bullet-proof shield.
Jamie Hyneman and Adam Savage attempt to save themselves in a falling elevator by jumping just before it hits bottom. Then they challenge their imaginations and building skills as they try to create a homemade levitation machine.
Adam Savage and Jamie Hyneman test radar-gun deflection methods like hanging a disco ball from the rearview mirror or using flat-black paint. They also investigate the myth of a man holding a piece of plywood being carried away by the wind.
Adam Savage and Jamie Hyneman pull off an electrifying experiment with a hairdryer and a bathtub. Then they test the explosive relationship of tattoos and MRI machines before getting a sinking feeling in some killer quicksand.
Jamie Hyneman and Adam Savage find out if a regular playing card can be thrown fast enough to kill and if a heated jawbreaker can turn into an explosive situation. They also invent a static cannon to evaluate the truth of an urban legend.
Adam Savage and Jamie Hyneman find out whether a sunken boat can be lifted using only Ping-Pong balls while Scottie, Tory and Kari get carried away investigating how many balloons it takes to lift a three-year-old off the ground.
Adam Savage and Jamie Hyneman find out what it takes to turn a 30,000-pound boom lift into a medieval catapult. Then it's air conditioning vs. open windows as they investigate the most fuel-efficient way to keep cool in the car.
Adam Savage and Jamie Hyneman find out if a bug bomb mixed with toxic fumes proves to be an explosive combination, and then they compete to see who can build the better machine to find a needle in a haystack. Meanwhile, Tory and Kari investigate how talking to plants can affect gardening success.
Adam Savage and Jamie Hynmen investigate the Ming dynasty astronaut myth by launching a dummy in the desert. Then they go on a quest for free energy while the MythBuster build team creates a killer ceiling fan.
Adam suits up in an adult diaper as he and Jamie test subsonic frequencies. Then they find out if Tory is blown away by a gunfight experiment, while Kari suffers under a constant drip of water.
Adam Savage and Jamie Hyneman try to bust out of jail using only salsa and then team up with the FBI to test a massive number of explosives on a truck filled with hardened cement.
Adam Savage and Jamie Hyneman investigate whether a broken drive shaft can cause a car to pole-vault from a pothole. Then they find out how explosive it can be to light a cigarette in a port-a-potty.
Adam Savage and Jamie Hyneman find out if toast really does fall buttered side down while Kari, Scottie and Tory investigate if yawning is truly contagious. Then the whole team tests a toy car vs. a Dodge Viper in a gravity slope race.
Adam Savage and Jamie Hyneman rebuild a crash test dummy and give him a baptism of destruction, then they explore the fastest way to cool a six-pack of beer. Meanwhile, Kari, Scottie and Tory investigate a crude form of battery that existed in ancient times.
Adam Savage and Jamie Hyneman find out how dangerous it is to use the phone or shower during a thunderstorm while Scottie and Kari recreate a boating myth. Then the whole crew takes on a story from the Civil War that involves a ricocheted bullet and a pregnancy.
Adam Savage and Jamie Hyneman find out if a singing voice can really break glass while Tory takes on the challenge of building an explosive jet engine from vacuum parts. Then the crew explores the idea that a rolling stone gathers no moss.
The sky is the limit as Adam and Jamie attempt to build a jetpack flying machine based on designs from the internet. Meanwhile, Tory, Kari and Scottie investigate the myth that the shape of the pyramids played a role in the preservation of Egyptian kings.
Adam Savage and Jamie Hyneman investigate the myth that the brace position is designed to kill passengers in an airplane crash. Then Kari joins Adam at the track to find out if it's more dangerous to drive while talking on a cellphone or after a few beers.
Adam Savage and Jamie Hyneman find out exactly how deep one must dive underwater to survive various types of gunshot. Then the crew joins forces in some playground pandemonium to see if a swing can make it 360 degrees, up and over the bar.
Adam Savage and Jamie Hyneman test the myth of a human-sized slingshot firing immigrants 200 yards over the border. The slingshot is rumored to be so accurate that it can safely land the human projectile on a carefully placed mattress.
Adam Savage and Jamie Hyneman find out if a box of tissues can turn deadly during a car crash, while Grant, Tory and Kari investigate a legend claiming Robin Hood could fire an arrow and split his opponent's arrow in two. They don the appropriate garb and take their challenge to the local Renaissance Fair.
Adam Savage and Jamie Hyneman test the parachute qualities of an airplane's escape slide then look into the story of a flight attendant who survived a crash still strapped in her seat. Meanwhile, Grant, Tory and Kari test an explosive hair cream myth.
Adam Savage and Jamie Hyneman revisit some favorite myths to silence the critics. They take another shot at experiments with exploding soda in a hot car, running in the rain and getting blown away by gunfire.
Adam and Jamie investigate an ancient Chinese subterranean sonar system that detected an invasion from below. Then they test related bacteria myths such as a dog's mouth is cleaner than a human's and the classic five-second rule -- if it's been on the floor for less than five seconds, it's safe to eat!