Diet Coke and Mentos: (Based on the Internet Craze): (This not being a Myth, but already FACT, they set out to get the real reason this happens):
1) CO2 Is Needed, No CO2, No Blow up.
2) 2 Diet Cola ingredients have some effect on it.
3) 2 Mentos ingredients have some effect on it. - Nucleation is the prime culprit.
All News Media Reports were BUSTED.
It was a combination of all those reports.
The Soda Rocket: Failed
Record Height Shootoff: 34 Ft
Then they tried other recipies to create the mix, and showed others don't work as good as the Diet Sode and Mentos.
Adam tries to get revenge for the electric shock the myth builders gave him in a previous episode using Jamie's "Flaming puck", and it failed.
1 Stamp taking down a helicopter:
Small Scale Myth: Busted
It took 8,000 stamps to destroy it.
Large Scale Myth: BUSTED - No effect or difference with the stamp.