A teenage girl "home alone" defends herself against a burglar; a domestic argument turns into a violent choking incident; with the help of 911, a young girl tries to resuscitate her unconscious Mom.

A teenager turns hero when his sister is struck with a hunting arrow; a woman driver is run off the road, relying on Onstar and 911 to come to the rescue.

An elderly woman is trapped in her house surrounded by smoke and flames; a diabetic man falls into a coma, putting his life in the hands of his young children; an infant stops breathing, leaving a frantic mother depending on 911.

A desperate struggle for life ensues when teens play "the choking game"; a flash flood sends rescuers to a drowning couple trapped in their car.

A high school principal, students and staff save a life thanks to knowing how to operate a defibrillator; 911 teams are called to a home to rescue a drowning toddler.

A family of four is trapped inside a burning house while another daughter watches outside in horror; a teenage girl locks herself in a bathroom while two female robbers break into her house.

Three sisters are pinned inside a car after being broadsided by a pickup truck; a boy driving a go-kart suffers severe head injuries after colliding with a full-size car.

Operating a heavy ride 'em lawnmower, a horrified mother accidentally runs over the leg of her small son, severing the limb; a man's shortness of breath signals the start of a severe heart attack.

The incredible story of a man whose heart stopped beating 60 times and the efforts of a remarkable medical team that refused to let him die; gasoline ignites in the face of a tractor operator, causing a terrifying explosion.

To the horror of her children, a mother is struck by lightning in the comfort of her home; a 911 team struggles to find the location of a mysterious, injured cell-phone caller knocked unconscious by a horse.

A purse snatcher meets his match when a determined victim calls 911; a nervous Dad watches as his wife gives birth in a parking lot; a pregnant woman suffers a seizure and her young son makes a critical call for help.

A young boy hides in a bedroom while burglars ravage his house; a boy suffers a violent seizure to the horror of his sisters who call 911; a hiking expedition turns to terror for a woman and 4 girls when a bobcat attacks.

A man shoots his wife, flees the scene and narrowly avoids being shot by police; a cat wakes a woman in a burning house and rescuers arrive just as she gives up hope for survival.

In Fairbanks, Alaska police engage a mental patient in an all-night standoff after he brutally murders a staff worker; a Fairbanks 911 dispatcher helps a Russian couple deliver a baby on a lonely Alaskan highway.

A museum burglar gets stuck in an air vent and calls 911 to be rescued; two fast food patrons report "emergencies" from the drive-thru lanes; a lonely woman considers getting the phone number of a "cute cop" an issue of life or death.

On his way to a rap concert, a fan calls 911 to request a police escort; a man stops his Ferrari on train tracks to call 911 for directions; an overzealous hot sauce lover makes an emergency appeal to "put out the fire" in his mouth.