A freediving accident drives home why you always need to dive with a buddy.

Staying with your buddy is a fundamental rule of diving no matter how experienced you are.

Be truthful on your medical form, be fit to dive and practice your finning to avoid a snorkel accident.

Getting tangled in a buoy line sends a nervous diver over the edge, with disastrous results.

A cardiac event at depth highlights the importance of training for diving physically, not just mentally.

Complacency leads a diver to start a dive with only reserve gas. It does not take long for the dive to spin out of control.

Lying about plans and experience to get into a cave costs two divers their lives.

Descending despite discomfort becomes the ultimate disaster for one inexperienced diver.

A rusty diver gets entangled in kelp when task overload separates leads to buddy separation.