A Martian spacecraft crash-lands near the observatory of Cyrus Layton, designer of Earth's first spaceship. The survivor, forerunner of an invasion, can assume the form of any earthman. ... See full summary »
A physician on death row for a mercy killing is allowed to experiment on a serum using a criminals' blood, but secretly tests it on himself. He gets a pardon, but finds out he's become a Jekyll-&-Hyde.
A mad scientist named Dr. Satan plots to steal key pieces of technolgy to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Written by
Kenneth Chisholm <firstname.lastname@example.org>
Chapter Titles: 1. Return of the Copperhead 2. Thirteen Steps 3. Undersea Bomb 4. The Human Bomb 5. Doctor Satan's Man of Steel 6. Double Cross 7. The Monster Strikes 8. Highway of Death 9. Double Jeopardy 10. Bridge of Peril 11. Death Closes In 12. Crack-Up 13. Disguised 14. The Flaming Coffin 15. Doctor Satan Strikes See more »
Then some of the rumors about this mysterious Dr. Satan are true!
Gov. Bronson [Ch. 1]:
All of them are probably true! Dr. Satan's spies have penetrated even the police department. The situation is so serious that I'm going to call four companies of the National Guard!
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One of Republic's best serials, and that says a lot. Great cliffhanger endings, top drawer stuntwork from David Sharpe, decent acting, and a really malevolent villain all add up to a great time for all. Also great to see the bad guy get top billing. This is what a serial was all about, folks.
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