Deadliest CatchSeason 4 Episode 0 (S04E00)
Episode name: Purgatory
Airs at: Jun 12, 2018, 9:00 pm ET
Network: Discovery Channel
IMDb: Deadliest Catch
A massive tidal surge threatens Josh and Monte as they chase their bounty deep into an arctic storm; Wild Bill hopes to get his broken boat off the dock; the rest of the fleet arrives for the start of Opilio.