The whole team takes on the challenge of finding the holy grail of the sea, i.e., an effective remedy for mal de mer, in this episode. From electric shock therapy to homeopathic tongue tinglers, can the MythBusters find a cure to this frequently regurgitated problem? Returning to shore, Adam and Jamie hit the road in a fuel efficiency special. They seek to answer the age-old question: Does driving with your pickup's tailgate down save gas and, hence, money?