Sig and John co-captain The Time Bandit, sparking a gold rush for crab out west; chaos on the Titan Explorer forces Jake's crew to abandon ship.
After a deadly chemical leak forces Jake to abandon ship, Keith races to locate the Titan Explorer crew and save their ailing vessel; with Sig aboard the Time Bandit, Mandy takes the Northwestern's helm for her first-ever solo king crab season.
A typhoon brings monstrous waves and high winds to the west; Rick and Bob attempt to stitch a head wound in turbulent seas; John risks capsize to make a harbor entrance; an emergency tests Jake between his duties as captain and man of the house.