The Hole-y Grail Diesel Brothers : Season 1 Episode 5
TV-14 Discovery 42m int(0)
Aired: February 1st, 2016 @ 8:00 PM EST on Discovery
A client asks Heavy D & his crew to turn his beat-up work truck into an off-road mobile service station. Heavy D searches for the next giveaway truck, & Diesel Dave finds the Holy Grail: a 2nd generation, quad cab Dodge with a 12-valve diesel engine.