Mark features some of his biggest and craziest experiments ever and highlights his relationship with a young man who motivated his second world record attempt.
With over 229 million YouTube views, the glitter bomb videos are a pop culture mainstay. Mark talks through the origin story to the current iteration.
In his quest to understand terminal velocity, Mark carefully studies some furry friends before jumping out of an airplane to become a flying human squirrel.
Mark talks about three pools each filled with either 25 million Orbeez, liquid sand or jello, before unveiling a never-before-seen, top-secret blaster.
Mark dives into the most absurdly scaled-up toys he's ever made. But has he met his match with a brand-new toy that ends with a bullseye-induced fireball?
Mark gets sporty in a field-goal kicking contest with his mechanical creation, shows off a rocket-powered golf club and perfects the art of rock skipping.