'Deadliest Catch' Sneak Peek! Crewman Injures Leg When Massive Wave Hits

"Extra" has an extreme, exclusive sneak peek from the upcoming episode of Discovery's "Deadliest Catch."

While on an expedition and facing stormy waters, a massive wave slams onto fishing boat Time Bandit, injuring one of the crew member's legs.

Did it break? Watch the intense clip below to find out, and be warned: it's not for the faint of heart.

The Latest