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Poster for Godzilla vs. Megalon

Godzilla vs. Megalon

Seen it?

1973 | 78 min | Action, Adventure, Science Fiction

Monday Morning Maybe

Why it’s a Monday Morning Maybe

With just 38% on Rotten Tomatoes and a lukewarm 6.2 out of 10 from audiences, this one could be a tough watch. Keep your phone handy.

Based on critics, audiences, awards, box office and buzz. Details below.

Is it for you?

Who'll love it
Made for sci-fi fans and action fans. If you loved Pacific Rim or Escape from New York, start here.
The mood
Exciting.
The pace
Fast-moving, at 1 hr 18 min.
What might put you off
  • Rated G, but scary moments and peril.
  • It's in Japanese, so expect subtitles (or a dub).
  • Made in 1973: an older pace and style.

Inventor Goro Ibuki creates a humanoid robot named Jet Jaguar. It is soon seized by an undersea race of people called the Seatopians. Using Jet Jaguar as a guide, the Seatopians send Megalon as vengeance for the nuclear tests that have devastated their society.

How it earned its rating

  • CriticsWeak

    38% on Rotten Tomatoes

  • AudiencesBelow par

    6.2 out of 10

  • AwardsNot counted

    No major awards or nominations

  • Box office & staying powerStrong

    $20 million worldwide on a $760K budget; still draws a steady audience long after release

  • Buzz & cultural impactSolid

    About 48K people sought it out in the past year

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Cast & crew

Directed by Jun Fukuda

  • Katsuhiko SasakiInventor Goro Ibuki
  • Yutaka HayashiHiroshi Jinkawa
  • Hiroyuki KawaseRokuro 'Roku-chan' Ibuki
  • Kanta MoriJapan Special Defense Forces Chief
  • Kotaro TomitaLead Seatopian Agent
  • Ulf OtsukiSeatopian Agent
  • Sakyo MikamiTruck Driver's Assistant
  • Fumiyo IkedaMan from Unit 1
  • Robert DunhamEmperor Antonio of Seatopia
  • Gentaro NakajimaTruck Driver