Sometimes there are close calls, such as ice falling from the crane and hitting crew.
During Season 6, Jake on the Northwestern cuts his wrist with a knife accidently, and blood is shown on his hand and the floor.
During one of the first seasons, a crew member severely sprains his ankle, and it is shown bruised and swollen.
On more than one occasion, crew members puke.
During season 7, Mike from the Time Bandit gets his face slammed against the sorting table. He receives a deep cut very close to his eye, and is seen bleeding profusely. During the same episode, a crew member on the Northwestern gets hit in the face with a picking hook, and his nose is seen grotesquely broken and bleeding.
During an early season, Jake Anderson and Matt Bradley on the Northwestern get into a violent fight involving choking and punching.
During season 8, a Wizard crew member suffering from seizure-like symptoms is being rescued by the coast guard. Before they lift him to the chopper, he says he has to pee. They turn him on his side to assist, and the stream of urine can be seen.
During season 8, a Kodiak crew member gets his finger pinched in between a pot and the rack, severing the tip of his finger. The bloody stump is shown in detail, along with the severed portion.