Scientists and amateurs conduct experiments and post their exploits online. Each episode counts down 20 popular Internet videos and explains the science behind them.
Homemade Heroes
Season 1 • Episode 1
Human Guinea Pigs
Season 1 • Episode 2
Natural Born Thrillers
Season 1 • Episode 3
Epic Stunts
Season 1 • Episode 4
Power Junkies
Season 1 • Episode 5
Dukes of Havoc
Season 1 • Episode 6
Top 20
Season 1 • Episode 7
