John gets roughed up by some thugs; Kai connects with Butchie; Vietnam Joe brings Dr. Smith a new patient; Shaun's adult-film-star mother Tina arrives in Imperial Beach.
Linc's Stinkweed reign is challenged; Dwayne eyes Shaun's online future; Dr. Smith tends to an ailing Palaka; Ramon supervises the building of a shuffleboard court.
Attempting to conjure some courage, Mitch tracks down a reclusive 'chemist' in Mexico; Cissy heads up a citywide search team; Bill loses his feathered medium; Palaka's good-luck gift to Freddy ends up with Barry.