After witnessing the destruction of five planets, Dr. Zarkov determines that the explosions were created by a nuclear bomb fueled by a material that takes hundreds of years to explode. Dale, Flash and the doctor journey back to 1950s Berlin to locate such a bomb planted on Earth. <br /><br />Directed by Gunther von Fritsch<br />Starring Steve Holland, Irene Champlin, Joseph Nash<br /><br />Cast<br />Steve Holland as Flash Gordon<br />Irene Champlin as Dale Arden<br />Joseph Nash as Dr. Hans Zarkov<br />Henry Beckman as Cmdr. Paul Richards
