Godzilla vs. Megalon

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Godzilla Films
Godzilla vs. Gigan
Godzilla vs. Megalon
Godzilla vs. MechaGodzilla
Toho Kaiju Film
Godzilla vs. Megalon
Directed by
Tomoyuki Tanaka
Produced by
Tomoyuki Tanaka
Written by
Jun Fukuda,
Takeshi Kimura,
Shinichi Sekizawa
Music by
Riichiro Manabe,
Masato Shimon

Distributed by
Toho Company Ltd.JP
Cinema SharesUS

Running Time
81 minutesJP
(1 hour, 21 minutes)
78 minutesUS
(1 hour, 18 minutes)
Designs Used
MegaroGoji, ShodaiJyagga, ShodaiMegaro, ShodaiGigan, SoshingekiAngira

Godzilla vs. Megalon (ゴジラ対メガロ,   Gojira tai Megaro?, lit. Godzilla Against Megalon) is a 1973 tokusatsu kaiju film produced by Toho Company Ltd., and the thirteenth installment in the Godzilla series as well as the Showa series. The film was released to Japanese theaters on March 17, 1973.


The underground civilization Seatopia has been heavily affected by nuclear testing conducted by the surface nations of the world. The nation's people, the Seatopians, watch in horror as a nuclear test conducted close to their main city wipes out Monster Island, plunging Rodan and Anguirus into a growing fissure. Naturally upset by this, they unleash their civilization's protector, Megalon, to the surface to destroy those who would — unknowingly or not — destroy them. The ground opens to reveal Megalon, who goes on a rampage outside of Tokyo. Meanwhile, two Seatopian Agents attempt to steal the newly constructed super-robot Jet Jaguar, which can be used to guide and direct Megalon. They also capture the robot's inventor, Goro Ibuki, his kid brother Rokuro and their friend Hiroshi Jinkawa. One of the Agents stays with Jinkawa and directs Jet Jaguar towards Megalon. The other agent takes Rokuro and Goro into a cargo container and bribes a pair of truckers to dump the container in the lake. Things get out of hand, though, and the Seatopian agent is thrown from the truck after threatining the two truckers with a pistol. Soon afterward, Jinkawa, Goro and Rokuro are reunited and try and convince the Military into using Jet Jaguar to re-direct Megalon, who is attacking Tokyo. Goro manages to regain control using his hand-held voice-command devise, and sends Jet Jaguar to Monster Island to bring Godzilla back to fight Megalon. An extended fight scene then takes place, with Godzilla and Jet Jaguar, the latter newly giant-sized and self-directed, fighting Megalon in a generic small field. The Seatopians, however, summon Gigan to aid Megalon. The film ends with Megalon and Gigan (who for the second time abandons an ally) defeated, Godzilla returning to Monster Island, and Jet Jaguar returning to his previous, human-sized state, reuniting with Goro, Rokuro and Jinkawa.


Staff role on the left, staff member's name on the right.

  • Directed by   Jun Fukuda
  • Written by   Jun Fukuda, Takeshi Kimura, Shinichi Sekizawa
  • Produced by   Tomoyuki Tanaka
  • Music by   Riichiro Manabe, Masato Shimon
  • Cinematography by   Yuzuru Aizawa
  • Edited by   Michiko Ikeda
  • Production Design by   Yoshifumi Honda
  • Assistant Directing by   Tsunesaburo Nishikawa
  • Special Effects by   Teruyoshi Nakano


Actor's name on the left, character played on the right.

  • Katsuhiko Sasaki   as   Goro Ibuki
  • Yutaka Hayashi   as   Hiroshi Jinkawa
  • Hiroyuki Kawase   as   Rokuro Ibuki
  • Robert Dunham   as   Emperor of Seatopia Antonio
  • Kotaro Tomita   as   Head Seatopian Agent
  • Wolf Otsuki   as   Seatopian Agent
  • Gentaro Nakajima   as   Truck Driver
  • Sakyo Mikami   as   Truck Driver's Assistant
  • Kanta Mori   as   Japan Self Defense Force Commander



Weapons, Vehicles, and Races


Godzilla vs. Megalon was originally planned as a non-Godzilla film, but instead a film for Jet Jaguar, which was the result of a contest Toho had for children in mid-to-late 1972. The winner of the contest was an elementary school student, who submitted the drawing of a robot called "Red Alone," which superficially resembled both Ultraman and Mazinger Z. The robot was renamed Jet Jaguar and was set to star in Jet Jaguar vs. Megalon, which pitted him against Megalon. However, after doing some screen tests and storyboards, Toho figured Jet Jaguar would not be able to carry the film on his own, either in screen appearance or marketing value, so they shut the project down during pre-production. Nearly a month later, producer Tomoyuki Tanaka called in screenwriter Shinichi Sekizawa to revise the script to add Godzilla and Gigan. To make up for lost production time, the film was shot in a hasty three weeks. The production time totaled at nearly six months, from planning to finish.


Main article: Gallery:Godzilla vs. Megalon.


Main article: Godzilla vs. Megalon (Soundtrack).

Alternate Titles

  • Gorgo and Superman Meet in Tokyo (Gorgo y Superman se citan en Tokio; Spain)
  • Planetary Titans (Titanes planetarios; Mexico)
  • Godzilla 1980 (Godzilla 1980; France; French Belgium)
  • King Kong: Demons from Outer Space (King Kong — Dämonen aus dem Weltall; Germany)
  • At the Borders of Reality (Ai confini della realtà; Italy)

Theatrical Releases

U.S. Release

In 1976, CinemaShares released a dubbed version of Godzilla vs. Megalon theatrically. Riding the coattails of Dino De Laurentiis' big-budget King Kong remake, poster art showed Godzilla and Megalon battling on top of the World Trade Center, despite the fact that no scenes were set in New York.

To obtain a G-rating from the MPAA, CinemaShares cut three minutes of footage, including:

  • The opening credits.
  • Rokuro being abducted by Seatopian agents, who pull him into their car.
  • Scenes in the container truck that showed pornographic material on the back wall (There was more dialogue in the scenes that added to the story, thus making these cut scenes somewhat confusing).
  • A fight scene between Hiroshi and the lead Seatopian agent.
  • A scene of the bearded Caucasian Seatopian agent being thrown down a cliff by the truck drivers.
  • Some scenes of bloody violence, when the toy jet (which Rokuro borrowed from the hobby shop) flies into the lead Seatopian agent's face, there was a brief shot of blood dripping from his face and when Hiroshi says "Get him!!!", Rokuro swings on the chained picture boxes in Goro's lab, and strikes the agent above the chest.
  • The Seatopian agent (pursuing our heroes) being crushed by a boulder hurled by Megalon.
  • Dialogue: "What the hell was that?" and "Damn you!"

With this being the second of the three CinemaShares Godzilla releases, the publicity factor was high. Along with the poster, buttons with one of the four kaiju's faces on them were released. A couple of weeks before the release of Godzilla vs. Megalon, CinemaShares had a comic book released to promote the film, but in the comic there are numerous errors like monster's names and locations and events, but staying at least loose to the film. The theatrical trailer for the film also contain these errors, such as Jet Jaguar being called "Robotman."

Box Office

When Godzilla vs. Megalon was released on March 17, 1973 in Japan, it only sold 980,000 rickets, making it the first Godzilla film to sell less than a million tickets.


Godzilla vs. Megalon was released theatrically in America in April of 1976, though the San Francisco Chronicle indicates that it opened there in June, and The New York Times indicates that it opened in New York City on July 11. Oddly, New York Times film critic, Vincent Canby, who a decade before had given a negative review to Ghidorah, the Three-Headed Monster-- one of the more respected entries in the Godzilla series-- gave Godzilla vs. Megalon a generally positive review.

In his review of July 12, 1976, Canby says "m' completes the canonization of Godzilla... It's been a remarkable transformation of character-- the dragon has become St. George... It's wildly preposterous, imaginative and funny (often intentionally). It demonstrates the rewards of friendship, between humans as well as monsters, and it is gentle."

Canby was one of the few critics who enjoyed the film however, as it held a "rotten" 38% on Rotten Tomatoes, based on 16 reviews.

Godzilla vs. Megalon was given a high-profile prime-time network premiere the next year, with an introduction and bumper segments by John Belushi in a Godzilla suit.

Godzilla vs. Megalon has attracted the ire of many Godzilla and kaiju fans in the decades since its original release. The film is largely responsible for the reputation of Godzilla films in the United States as cheap children's entertainment that should not be taken seriously. It's been described as "incredibly, undeniably, mind-numbingly bad" and one of the "poorer moments" in the history of kaiju films.

In particular, the special effects of the film have been heavily criticized. One review described the Godzilla costume as appearing to be "crossed with Kermit the Frog" and another stated that sneeringly compared it to Godzilla vs. Gigan, stating that it did "everything wrong that Gigan did, and then some." However, most of the criticism is of the lack of actual special effects work, as most of it consists of stock footage from previous films, including Godzilla vs. Gigan and Ghidorah, the Three-Headed Monster, and at least one piece of effects work has garnered praise, specifically a scene where Megalon breaks through a dam.

The other aspects of the film have been similarly skewered. The acting is usually described as flat and generally poor, and as not improving, or sometimes, worsening, the already weak script. One part of the film, on the other hand, has garnered almost universal praise: Godzilla's final attack on Megalon, a flying kick. It has been called the saving grace of the film, and was made famous by the mock exclamations of shock and awe displayed on Godzilla vs. Megalon's appearance on Mystery Science Theater 3000. The episode is available on volume ten of the Mystery Science Theater 3000 DVD series, which has become rare because the DVD was discontinued due to rights issues with the Godzilla franchise, and the collection was released shortly afterward with The Giant Gila Monster instead of Godzilla vs. Megalon. Despite all this, the film is also one of the most widely seen Godzilla films in the United States—it was popular in its initial theatrical release, largely due to an aggressive marketing campaign, including elaborate posters of the two title monsters battling atop New York City's World Trade Center towers. These posters in particular have been greeted with some embarrassment by fans. Also, several unauthorized VHS tapes have been released in the early 90's, making it the Godzilla movie with the boots to some fans.

Video Releases

Alpha Video (2001)

  • Unlicensed
  • Released: 2001
  • Region: Region 1

Passion Products (2002)

  • Unlicensed
  • Released: 2002
  • Region: Region 1

Age Video (2003)

  • Unlicensed
  • Released: 2003
  • Region: Region 1

Toho (2004)

  • Released: 2004
  • Region: Region 2
  • Language: Japanese

Madman (2006)

  • Released: 2006
  • Region: Region 4

Tokyo Shock (2012)

  • Released: 2012
  • Region: Region 1
  • Languages: Japanese and English




  • Godzilla vs. Megalon took only three weeks to film.
  • There are no female characters in this film, except for the Seatopian dancers.
  • Godzilla vs. Megalon received some of the strangest retitles in foreign releases for Godzilla films, including "Gorgo y Superman se citan en Tokio," literally meaning "Gorgo and Superman Meet in Tokyo" for the Spanish release, and "King Kong - Dämonen aus dem Weltall", literally meaning "King Kong - Demons From Outer Space" for the German release.
  • For the German release of this film, Jet Jaguar was renamed to "King Kong." However, there is no connection to the real King Kong beyond his name, and in contrary to a widespread misconception, he is not said to be a giant ape wearing a robot suit in the dub.
  • In one scene, where Godzilla was meant to beat Gigan and Megalon with a tree, he was going to have a telephone pole in his mouth. 


This is a list of references for Godzilla vs. Megalon. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: [1]

Kaiju   Films
Godzilla Films Godzilla (1954 film)Godzilla Raids AgainKing Kong vs. GodzillaMothra vs. GodzillaGhidorah, the Three-Headed MonsterInvasion of Astro-MonsterEbirah, Horror of the DeepSon of GodzillaDestroy All MonstersAll Monsters AttackGodzilla vs. HedorahGodzilla vs. GiganGodzilla vs. MegalonGodzilla vs. MechaGodzillaTerror of MechaGodzillaThe Return of GodzillaGodzilla vs. BiollanteGodzilla vs. King GhidorahGodzilla vs. MothraGodzilla vs. MechaGodzilla 2Godzilla vs. SpaceGodzillaGodzilla vs. DestoroyahGodzilla 2000: MillenniumGodzilla vs. MegaguirusGodzilla, Mothra and King Ghidorah: Giant Monsters All-Out AttackGodzilla Against MechaGodzillaGodzilla: Tokyo S.O.S.Godzilla: Final WarsGodzilla (2014 film)Japanese Godzilla Reboot (2016)Godzilla 2Godzilla 3
Gamera Films GameraGamera vs. BarugonGamera vs. GyaosGamera vs. VirasGamera vs. GuironGamera vs. JigerGamera vs. ZigraGamera: Super MonsterGamera: Guardian of the UniverseGamera 2: Advent of LegionGamera 3: Awakening of IrysGamera: The Brave
Daimajin Films DaimajinReturn of DaimajinWrath of Daimajin
Mothra Films MothraRebirth of MothraRebirth of Mothra IIRebirth of Mothra III
Miscellaneous Films GODZILLAKing Kong (1933 film)Japanese King KongKing Kong Appears in EdoSon Of KongThe Beast From 20,000 FathomsRodanThe MysteriansVaranH-ManThe Birth of JapanGorathKujira GamiAtragonMatangoDogoraFrankenstein vs. BaragonWar of the GargantuasGappaKing Kong EscapesSpace AmoebaDaigoro vs. GoliathThe X From Outer SpaceProphecies of NostradamusKing Kong (1976 film)King Kong LivesYamato TakeruPulgasariKing Kong (2005 film)CloverfieldGo! GodmanThe Monster X Strikes Back: Attack the G8 SummitMonsters


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