At the surface, two divers caught in a current watch helplessly as their unmanned sailboat becomes a speck on the horizon. Learn how you can avoid making their mistakes.

An out-of-air situation takes a turn for the worse when buddy-breathing divers make a crucial error in judgment.

Dazed and confused at 140 feet, Brent disables his air supply and fights off his rescuer.

A hidden equipment problem turns deadly for one unsuspecting diver.

Thrill-seeking divers push the bounds of training and common sense with disastrous results.

A diver wins a competition with his friends, but never gets to celebrate his victory.

Two divers ignore common sense and repeated warnings not to venture into a cave.

Following a two-year diving hiatus, an instructor forgets some of the basics.

A diver's unfamiliarity with his computer's emergency deco mode nearly leads to tragedy.