'Deadliest Catch' Airs Captain Sig Hansen's Harrowing Heart Attack

On "The Widowmaker: Part 1" episode of Deadliest Catch, viewers watched as beloved boat captain, Sig Hansen, suffered a heart attack. Hansen was doing a wrap-up interview of the crabbing season when he started having tightness in his chest and a cramp in his left arm. At the time he was navigating his boat, the Northwestern.