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Spontaneous Combustion - John P. Plays with Fire (1x250)

Air date: Jun 14, 2013

When John disappears for a bit, it's always a good idea to look for him. Like a kid. Just to see what he's getting into. This time it was mixing iron shavings and glycerin - which is a recipe for spontaneous combustion! Remember if you try to duplicate this, use safety goggles - don't be like us!