1. Elephant Toothpaste

Mark features his biggest, most visual experiments ever, and highlights his relationship with a man who motivated his second world record attempt.

2. Yes, I'm the Glitter Bomb Guy

Mark details the origin -- and future -- of his glitter bomb justice.

3. Attack of the Squirrels

In his quest to understand terminal velocity, Mark studies some furry friends before jumping out of an airplane to become a flying human squirrel.

4. Swimming in Orbeez

Mark dives into pools filled with 25-million Orbeez, liquid sand and jello.

5. Super-Sized Toys

Mark unleashes some of the most absurdly scaled-up toys he's ever made.

6. Turbo Sports

Mark's field-goal kicking robot enters a contest with smashing results!