" His role as Kato in the 1966 TV series "The Green Hornet" led to American success for his Hong Kong-made fight films, beginning with "Fists of Fury.

WSJ: Hollywood's New Kick: Why Everybody Is Kung Fu Fighting

In the four films he made - Fists of Fury (1972), Enter the Dragon, The Chinese Connection and Return of the Dragon (all 1973) - Lee became an overnight sensation.

BBC: Bruce Lee: The kung-fu legend