This episode features Michael Shanks and the following episode (The Return of Amanda) features Don S. Davis. Shanks and Davis would later star together in Stargate SG-1.
Origin of Various Martial Arts Styles:
- Wrestling - Jacob vs Angel; Jacob lost but was blessed anyway due to effort
- Kung Fu - it was taken to China in the sixth century by an Indian priest, who taught it to a bunch of Shaolin monks so that they could protect themselves against bandits.
- Boxing - Big-ticket item in the Roman Forum
- Karate - means "empty hand". It started in Okinawa four hundred years ago, because the peasants weren't allowed weapons. They had to do something to fight the ruling Japanese.