The Return of Chandu (1934)
Rating: ★★
Serial/Mystical Superhero
Actors: Bela Lugosi, Maria Alba, Clara Kimball Young, Josef Swickard
Category: Fantasy
Dick Tracy (1937)
Rating: ★★★
Serial/Comic-Book Detective
Category: Science Fiction
The Green Hornet (1940)
Rating: ★★½
Serial/Masked Superhero
Actors: Gordon Jones, Keye Luke, Anne Nagel, Cy Kendall, …
Category: Science Fiction
Flash Gordon Conquers the Universe (1940)
Rating: ★★★
Serial/Space Opera
Actors: Larry Buster Crabbe, Carol Hughes, Charles Middleton, Frank Shannon, …
Category: Science Fiction