There's a fine line between genius and insanity. The Captain not only walks this line, but he does it on his hands. Lets do a quick run down of what he accomplished in this one episode. He creates a replica of the 28' Porter that's so accurate that it fools even himself. Invents a form of dynamite that can destroy said replica and cause little too no damage to a person sitting in it (only their cloths would be damaged). Attempts to give a small child a full automatic rifle that is also a flam thrower. Fly's to another state to forcefully make a stranger talk on a phone, then fly back, when he could have simple paid someone to say the same exact thing for half the cost. Then threaten to sue Dave because of something he himself did.
The only thing I ask myself is, why doesn't he just walk up to Dave, hit him over the head, and take the car? He would face less criminal charges doing that then the laundry list of crimes he racked up trying to pull off his master plan. Though, I don't think that would make for a good episode.