This retrospective featurette includes words from filmmaker Jim Markovic, producer Terry Levene, screenwriter Ron Harvey, director Matthew Mallinson, and actors Ron Van Clief and Fred Williamson. Topics include the sordid history of Aquarius Releasing and their other Bruce Lee knock-offs, assembling the film from lukewarm leftovers, shooting new scenes, filming at Madison Square Garden, the "guest stars", script re-writes, Adolph Caesar, creating a fake news station, and more. (Blu-ray.com)

The fantastic story of how an ancient martial art, Chinese kung fu, conquered the world through the hundreds of films that were produced in Hong Kong over the decades, transformed Western action cinema and inspired the birth of cultural movements such as blaxploitation, hip hop music, parkour and Wakaliwood cinema.