Quest for the Holy Grail - S7.E7

Frank learns Knucklehead Zen in California when the guys visit an international man of mystery. In a Maryland basement, Frank becomes obsessed with and offers big money for a 1939 Plymouth Coupe the owner doesn't seem to want to part with. Frank breaks a sweat and the bank in Massachusetts when he uncovers the holy grail of oilcans. Frank pays big money to a Wisconsin photographer for an oversized Mississippi Riverboat relic but gets a sinking feeling when he gets it appraised back home. Finally, Frank wants to attend his high school reunion and show off his new ride, but it's never easy.