United Kingdom, April 1 -- Luke Perry almost killed Jennie Garth with a jet ski.

The late 52-year-old actor and the 52-year-old actress starred in the hit 90s drama 'Beverly Hills, 90210', and while the pair were in the ocean shooting a season three episode, they decided to drive jet skis, and despite a warning from Luke about a fisherman's line obstructing their course, an oblivious Jennie "got tagged".

However, when the star turned around to save her, he smacked Jennie in the head with the jet ski and left her "unconscious".

She recalled during a 90210 panel at 90s Con on March 29: "Luke didn't want his bodyguard to drive.

He wanted to drive it, so he was in front, and there was a fisherman ... and then there was a line.

"He went t...