"The Forty-Fathom Doom!": The synopsis for this issue has not yet been written.

Sea Devils #21 is an issue of the series Sea Devils (Volume 1) with a cover date of February, 1965.

Appearing in "The Forty-Fathom Doom!"

Featured Characters:

Supporting Characters:

  • None


  • Doctor Quad (Single appearance)

Other Characters:

  • None


  • Unknown


  • None


  • None

Synopsis for "The Forty-Fathom Doom!"

  • Synopsis not yet written.


  • This issue is divided into three chapters:
    • Part I: The Forty-Fathom Doom
    • Part II: The Octopus with the Human Brain
    • Part III: Dr. Quad's Secret Weapon


  • No trivia.

See Also

Recommended Reading

Links and References

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