Skip to content

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Search movies and TV series

Search movies and TV series

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Every movie and series, one place to find it.

Search movies and TV series

Loading content…

Discover where to watch movies and TV series online. Browse trending titles, streaming availability, ratings, trailers, cast and full episode guides — all in one place.

Movies

Featured
Popular
Top Rated
Upcoming
Now Playing

TV Series

Featured
Popular
Top Rated
Airing Today
On The Air

Discover

Trending
Free to Watch
Browse Genres
Search

© 2026 Watch Free Online Movies. All rights reserved.

This product uses the TMDB API but is not endorsed or certified by TMDB. Watch Free Online Movies does not host or stream any media — it links to where titles are legally available.

Loading title details…

The Secret of the Submarine poster

The Secret of the Submarine(1916)

May 22, 19166h

Action Adventure

NRNot yet rated

User Score

No votes yet

Overview

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

Director: George L. Sargent

Top Billed Cast

Juanita Hansen
Cleo Burke
Tom Chatterton
Lt. Jarvis Hope
Lamar Johnstone
Gerald Morton
George Webb
Mahlin

More Like This

Recommendations based on this film

66%User score 66 percent

Solo: A Star Wars Story

2018 · Science Fiction · Adventure

69%User score 69 percent

The Fate of the Furious

2017 · Action · Crime

61%User score 61 percent

The Lost World

2001 · Adventure · Fantasy

72%User score 72 percent

Mission: Impossible - The Final Reckoning

2025 · Action · Thriller

70%User score 70 percent

Eight Below

2006 · Adventure · Drama

65%User score 65 percent

Black Gold

2011 · Adventure · Drama

67%User score 67 percent

Pirates of the Caribbean: Dead Men Tell No Tales

2017 · Adventure · Action

61%User score 61 percent

The Deep

1977 · Mystery · Thriller

63%User score 63 percent

Jurassic World Rebirth

2025 · Science Fiction · Adventure

63%User score 63 percent

Hellfighters

1968 · Action · Adventure

67%User score 67 percent

Treasure Island

1990 · Adventure · Family

69%User score 69 percent

Battlestar Galactica

1978 · Science Fiction · Adventure

71%User score 71 percent

20,000 Leagues Under the Sea

1954 · Adventure · Science Fiction

73%User score 73 percent

Alita: Battle Angel

2019 · Action · Science Fiction

68%User score 68 percent

Star Trek Beyond

2016 · Action · Adventure

67%User score 67 percent

The Black Book

2023 · Action · Mystery

68%User score 68 percent

Lord Jim

1965 · Adventure · Drama

68%User score 68 percent

The Spy Who Loved Me

1977 · Adventure · Action

79%User score 79 percent

Guardians of the Galaxy

2014 · Action · Science Fiction

59%User score 59 percent

Suicide Squad

2016 · Action · Adventure

Leona Hutton

George Gebhardt

Hylda Hollis

Olga Ivanoff

George Clancey

Hook Barnacle

William Tedmarsh

Tatsuma

Harry Edmondson

Sextus

Hugh Bennett

Dr. Ralph Burke

Joseph Beaudry

Calvin Montgomery

Perry Banks

Media

Where to Watch

No streaming options are listed for US right now. Availability changes often — check back soon.

Facts

Status: Released
Original title: The Secret of the Submarine
Production: American Film Manufacturing Company

Keywords

submarine
silent film
movie serial
lost film

The Secret of the Submarine (1916) | Watch Free Online Movies