Name: The Secret of the Submarine
Director: George L. Sargent
Genre: Action, Adventure
Released: 1916-05-22
Duration: 360 min

Question 1

Where can I watch The Secret of the Submarine for free?

Accepted Answer

You can watch The Secret of the Submarine (1916) in HD for free online on FlixFree HD with subtitles.

Question 2

Is The Secret of the Submarine available in 1080p?

Accepted Answer

Yes, The Secret of the Submarine is available to stream in high quality 1080p on FlixFree HD.

Question 3

What is The Secret of the Submarine about?

Accepted Answer

An American adventure film serial comprised of fifteen episodes of two reels (24 min) each.  All chapters are presumed lost.