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A Filmation series
Space Sentinals Title Card
Space Sentinels
The Young Sentinels


September 10, 1977
Original Channel
Original Run

Jerry Siegel
Joe Shuster (characters)
Kathleen Barnes
Donald F. Glut
Len Janson
Dale Kirby
Chuck Menville
Douglas Menville
J. Michael Reaves
Jerry Winnick
David Wise
Hal Sutherland
Don Christensen
Executive Producer(s)
Norm Prescott
Lou Scheimer
Production Company

Space Sentinels (originally titled The Young Sentinels and renamed midway through its only season) is a Saturday morning cartoon produced by Filmation which debuted on the NBC network on September 10, 1977 and ran for thirteen half-hour episodes. The series has been called "ahead of its time" due to its racially diverse cast of main characters.

In this series, the Roman mythological figures Hercules and Mercury are joined by Astrea, to form a superhero team to protect mankind in the then future year of 1985.[1]

Although this series only had one season, a spin-off was developed for the Tarzan and the Super 7 animated series the following year, called The Freedom Force. Both of these shows were released together on DVD.

Opening narration

The back-story of the three heroes is explained in the opening narration of the series:

Many centuries ago, three carefully selected young Earthlings were transported from their native lands to my faraway world. Here they were granted astounding powers, and eternal youth, then returned to Earth. Their mission: to watch over the human race, helping the good in it to survive and flourish. In the course of history, their names have become legend: Hercules, empowered with the strength of a hundred men. Astrea, able to assume any living form. Mercury, the amazing athlete who can match the speed of light. Working together with me, Sentinel One, and my maintenance robot, M.O., these teenage guardians form the greatest team the world has ever known: The Space Sentinels.


  V o i c e   A c t o r       R o l e
 George DiCenzo     Hercules
    Sentinel One
 Evan C. Kim     Mercury
 Dee Timberlake     Astraea
 Lou Scheimer     M.O. (Maintenance Operator)   

Episode List:

    Ep #         Episode Name        Air Date    
1     Morpheus: the Sinister Sentinel        September 10, 1977    
2     Space Giants        September 17, 1977    
3     The Time Traveler        September 24, 1977    
4     The Sorceress        October 1, 1977    
5     The Return of Anubis        October 8, 1977    
6     The Wizard of Od        October 15, 1977    
7     The Prime Sentinel        October 22, 1977    
8     Commander Nemo        October 29, 1977    
9     Voyage to the Inner World        November 5, 1977    
10     Loki        November 12, 1977    
11     Fauna        November 19, 1977    
12     The Jupiter Spore        November 26, 1977    
13     The World Ship        December 23, 1977    

DVD release


2006 DVD release

BCI Eclipse LLC (under license from Entertainment Rights) released all 13 episodes of Space Sentinels on DVD in Region 1 on August 22, 2006, along with all five episodes of The Freedom Force. This series featured the character Hercules and which originally aired as part of Tarzan and the Super 7. In addition, the digitally-remastered presentation features scripts and Spanish language tracks for all 13 episodes, audition tapes, a gallery featuring original images, early presentation images, trivia and interviews with creators Lou Scheimer, Buzz Dixon, Darrell McNeil, Michael Reaves, Robert Kline and David Wise.


  1. It was established that the show took place in the year 1985 in the episode The Time Traveler.

External links

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