Never heard of Zydereen of Neptune?  Well, don’t feel bad.  It’s not really a movie.  Instead, it’s three episodes of an old 1950s TV series that someone edited together.  According to The Complete Directory to Prime Time Network TV Shows, Flash Gordon aired in 1954 on a now defunct network called DuMont.  The eponymous space hero was played by Steve Holland, a clean-cut model with an impressive head of hair.  On the show, Flash was a member of the GBI, which is like a galactic version of the FBI.  Working with him was scientist and love interest Dale Arden (Irene Champlin) and scientist and non-love interest Dr. Zarkov (Joseph Nash).  Flash was not a scientist but he had really nice hair.  Did I mention that?