A skydiving accident, a burning car with a man trapped beneath it, and an aggravated octopus assault are featured.

Methods for saving a choking victim are featured.

Options for surviving a tsunami are proposed.

A kayaker in perilous waters; a driver trapped by wildfire; and a single-engine plane stymied by unusual weather.

A shark attacks a caged diver; a snowmobile driver races from a deadly avalanche; and a deadly reptile forces a showdown.

An angry elephant attacks a car; an incidental spark sets a person on fire at a gas station; a snowmobile balances on the edge of a cliff.

A massive earthquake devastates an office building; raging bulls try to gore participants in the Running of the Bulls; a person attempts to keep afloat while being washed down the Los Angeles River.

A fatal dip into freezing water; a showdown with a pack of dogs; a collision between boats.

A seal attacks a swimmer; a yacht crashes into another boat; a jeep tumbles down a jagged slope.

A tractor trailer slides on black ice; an alligator snaps at a person; an escalator's brakes malfunction.

A swimmer tries to escape a strong current; a tenant dangles out the window of a burning apartment building; a person dodges an oncoming train by diving between the tracks.

A meteor explosion; a building collapse; an anaconda strike.

A tornado spins down a road toward oncoming cars; a large wave crashes down on a surfer; a dirt biker attempts a dangerously long jump.

A wild deer attacks; a giant wave engulfs a boat after a glacier breaks apart; a misjudged bike jump leads to a 80-foot plummet.

Included: an uncontrolled rush of shoppers; a dog attack; a mudslide.