The Outer Limits - Original

Season 2 Episode 7

The Invisible Enemy

Aired Monday 8:00 PM Oct 31, 1964 on ABC
out of 10
User Rating
30 votes

By Users

Episode Summary

A manned mission to Mars is menaced by Martian creatures who swim in the planet's sandy soil.

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  • I Missed It Back in the Day

    I just watched this on DVD tonight as I missed it back when I was about 11 when it was first aired. While not bad for its day and budget, as the other reviewer said, it was really rather dull and a bit dumb. The other reviewer mentions instantaneous communications via laser but that is absurd as radio waves and laser beams both travel at the speed of light and from Earth to Mars depending on their relative positions is between 4 and 20 minutes. It did bear mentioning that they did discuss it although their solution was flawed. As for the story, it was rather simplistic with the "monster of the week" story line driving it. The acting was rather one dimensional and the script very bland. But all in all it was fun and a great nostalgia item for old guys like me. I was a big fan of the show back in the day and it was fun seeing Adam West and Ted Knight in it.moreless
  • A bit of FTL handwaving

    This was basically a "monster-of-the-week" episode. Watchable but nothing special, though the effects were good for the era and for the budget of the show.

    Notice that in the beginning of the episode they talk about using a standing laser wave (not certain exactly the term--memory fails) to avoid the speed-of-light delay in communications back-and-forth between Earth and Mars. At least the writers addressed this issue--which is more than usually happens even in shows and movies of today.

Adam West

Adam West

Maj. Charles "Chuck" Merritt

Guest Star

Rudy Solari

Rudy Solari

Capt. Buckley

Guest Star

Joe Maross

Joe Maross

Gen. Winston

Guest Star

Trivia, Notes, Quotes and Allusions


  • TRIVIA (1)

    • When the first astronaut walks out onto Mars surface, it can be clearly seen in profile there is no glass visor on his space helmet.

  • QUOTES (3)

    • Control Voice: (opening narration) In the vast immensities of cosmic space, bold adventurers streak their their way to join battle with strange enemies on strange worlds. The alien, the unknown, perhaps even the invisible, armed only with man's earthbound knowledge.

    • Captain Buckley: Funny thing that sand, isn't it? Looks just like the ocean at the Cape. I used to love to look at the moon on the water.

    • Control Voice: (closing narration) Battle joined; Casualties: Yes; Resolution: Victory, of a sort A painful step from the crib of destiny. On another day, a friend perhaps instead of a deadly peril. Part of the saga of the Space Pioneers.

  • NOTES (1)