Colossus and the Amazon Queen

After the Trojan War, Glauco is the strongest man amongst the Greeks. His friend Pirro meets two men who offer him a large sum of money to persuade Glauco to sail towards unexplored shores. Pirro accepts the proposal and convinces Glauco with a trick: he hits him on his head. The ship lands at a strange place where Pirro and the other men aboard are drugged and find themselves in the hands of the Amazons... (imdb)