Paging Mitch Buchannon!

5/22/2008 6:09 PM PDT BY TMZ STAFF
Wearing a "Baywatch" visor straight out of 1990, David Hasselhoff hopped onto a jet ski and revisited his glory days as the #1 lifeguard in L.A. County yesterday.

Hoff had one of his daughters and her friend with him -- but where's Hobie?