The most treacherous animal mistakes; fearsome surprise attacks; bone-crushing collisions; predators in too deep and animals pushed too far.

A pod of orcas and a tiger shark engage in a clash of apex predators; a serenade goes awry when a bat takes a bite out of the guitarist.

A group of fishermen meet a giant anaconda; beach goers witness a massive gathering of sharks; a researcher gets on the wrong side of a moose.