Dr. Zarkov receives a call from an old friend on planet Zeta N1. He needs Zarkov to bring him some serum. When Zarkov gets there he finds his friend is dead and he is captured. Flash and Dale come to rescue Zarkov and are also captured. They all just barely escape with their lives.
click here to see where to watch or .
Ready to Watch Flash Gordon 1954, Season 1, Episode 25?