Watch Le Frelon Vert (2006) : Full Movie Online Free The Green Hornet is a short film based upon characters from the popular radio and pulp series. The Green Hornet is actually Britt Reid, fearless newspaper publisher, who hides behind the Hornet's disguise to battle criminals that have managed to escape the long arm of law-aided. On his side we find of course his martial arts expert sidekick, Kato.