S15.E9.
Watch as Jamie builds his Lawnmower of Hell - with a grin that spans nearly the whole build. | Catch all new .
Each episode, the MythBusters, Adam Savage and Jamie Hyneman, two special effects experts with more than 30 years of experience, methodically set out to .

Watch Jamie Hynemans very favorite MythBusters video, which he produced himself. | Watch full episodes!