What was the first science fiction television series?

Did any series predate the 1936 series of Flash Gordon?

I don't really know a sensible way to search IMDb for the answer.

Wikipedia, erroneously, suggests:

The first popular science-fiction program on American television was the DuMont Television Network children's adventure serial Captain Video and His Video Rangers, which ran from June 1949 to April 1955.

Regarding Karel Capek's R.U.R. in the linked question, that was only a TV short, until 1948, when a movie was made.

What was the first science fiction series?

Did any series predate the 1936 series of Flash Gordon?

I don't really know a sensible way to search IMDb for the answer.

Wikipedia, erroneously, suggests:

The first popular science-fiction program on American television was the DuMont Television Network children's adventure serial Captain Video and His Video Rangers, which ran from June 1949 to April 1955.

Regarding Karel Capek's R.U.R. in the linked question, that was only a TV short, until 1948, when a movie was made.

What was the first science fiction series?

Did any series predate the 1936 series of Flash Gordon?

I don't really know a sensible way to search IMDb for the answer.

Wikipedia, erroneously, suggests:

The first popular science-fiction program on American television was the DuMont Television Network children's adventure serial Captain Video and His Video Rangers, which ran from June 1949 to April 1955.

Regarding Karel Capek's R.U.R. in the linked question, that was only a TV short, until 1948, when a movie was made.

What was the first science fiction television series?

Did any series predate the 1936 series of Flash Gordon?

I don't really know a sensible way to search IMDb for the answer.

Wikipedia, erroneously, suggests:

The first popular science-fiction program on American television was the DuMont Television Network children's adventure serial Captain Video and His Video Rangers, which ran from June 1949 to April 1955.

Regarding Karel Capek's R.U.R. in the linked question, that was only a TV short, until 1948, when a movie was made.