![](https://images.plex.tv/photo?size=large-1920&scale=1&url=https%3A%2F%2Fartworks.thetvdb.com%2Fbanners%2Fepisodes%2F90731%2F564901.jpg)
Doing DaVinci
Machine Gun
E4 May 3, 2009 60m TV-PG
The guys take a shot at building a multi-cannon machine gun. The team is on high alert throughout the build as they work with hazardous black powder, an unstable substance that could detonate all on its own.
Where to Watch Machine Gun