Steve Irwin's documentary, Ocean's Deadliest, has been aired for the first time in the United States.

While the documentary features some of the most dangerous animals in the sea, it was never intended to include stingrays.

Meanwhile Steve's wife Terri says she found watching her husband's last documentary harrowing.

According to family friend and manager John Stainton, Terri has seen the footage once and probably won't see it again ever again.

He says her daughter Bindi has not yet seen the program, but would watch it in her own time.