Five acts from the previous night's show move on to thesemifinals. Viewers have one last chance to send their favoriteperformer of the night into the next round by participating inthe Dunkin' Save.
Sig and Mandy conspire to get Jake to do their prospecting,but the former deckhand seizes the moment to fill his owntanks. The Wizard crew must break through ice to rush Keith toa doctor. Junior fears the worst as a deckhand falls from thestack.
A rare weather event churns up rogue waves as supermoon tidescollide with a cyclonic snowstorm. Josh and Casey face a55-foot monster, while Jake risks capsizing to repair hisrudder in unruly seas. Monte's big move north pays off inmassive pots.
On their 10-year anniversary, Bill and Jo decide to renewtheir vows, but their overzealous extended family and anapproaching snowstorm threaten to ruin the event.