News / Aug 23, 2026

Why Metal Heroes Went Dormant for Twenty-Five Years

Metal Heroes ran from 1982 to 1999 and then stopped for twenty-five years. What actually ended it, what dormant really meant, and why Gavan came back first.

Metal Heroes ran continuously from 1982 to 1999 — seventeen years, more than twenty series — and then stopped. It did not get cancelled in a dramatic way, and it did not fail. It ended because the conditions that made it viable stopped existing, and it stayed dormant for roughly twenty-five years until Toei revived Gavan for Project R.E.D. in 2026. Here is what actually happened, separated from what fans have assumed happened.

What the franchise was

Metal Heroes is Toei's third tokusatsu pillar, alongside Kamen Rider and Super Sentai. Its defining format is a single hero in visible metallic armour, usually an officer recruited into a police or paramilitary organisation rather than a civilian transformed against their will.

It started with Uchuu Keiji Gavan in 1982 and immediately established the template: the Galactic Union Police, a combat suit transmitted onto the body in an instant, a laser sword, and a space-based command vehicle. Sharivan and Shaider followed, completing the Space Sheriff trilogy. After that the franchise diversified hard — the Rescue Police trilogy of Winspector, Solbrain and Exceedraft turned the format toward disaster response, and later entries like Janperson and Blue SWAT pushed into darker, more adult crime territory.

The three things that ended it

There is no single dramatic cause. Three pressures converged.

The format fragmented. Kamen Rider and Super Sentai each have one clear, repeatable identity. Metal Heroes did not. Across seventeen years it was space police, then rescue services, then robotic law enforcement, then near-future crime drama, then insect-themed heroes in its final years. That range is creatively interesting and commercially awkward: each reinvention had to rebuild its audience and its toy line from close to zero, where Sentai could rely on "five colours and a combining robot" landing every single year.

The toy line was harder to sell. A Sentai year sells you five figures plus a mecha that combines. A Kamen Rider year sells you a belt with an escalating collectible gimmick. A Metal Hero year sells you one armoured hero and his vehicles. The single-hero structure caps how much a household buys per season, and the later Metal Hero entries competed directly against increasingly sophisticated Rider belts and Sentai mecha for the same shelf space and the same family budget.

The slot was needed. The final Metal Hero series ended in 1999, and Kamen Rider returned to television in 2000 with Kuuga after its own long absence. Toei effectively had three tokusatsu franchises and room to run two consistently. Kamen Rider's revival was the higher-value bet, and it turned out to be correct — Kuuga launched what became the entire Heisei era.

Label this honestly: the fragmentation and the slot pressure are visible in the broadcast record. The precise internal reasoning has not been published the way TV Asahi published its reasoning for ending Super Sentai in 2025. Anyone stating a single confirmed cause for Metal Heroes ending is filling a gap that Toei never publicly filled.

What "dormant" actually meant

Dormant is not the same as gone, and this is where fan shorthand gets it wrong. Across the twenty-five year gap, Metal Heroes kept surfacing:

Retsu Ichijouji returned in the 2012 Gokaiger crossover, followed by Space Sheriff Gavan: The Movie, which introduced Geki Jumonji as a new Gavan.
Sharivan and Shaider both received Next Generation productions in 2014, handing their titles to new officers.
Space Squad later connected Space Sheriff characters with Dekaranger.
Tamashii Nations released S.H.Figuarts Sharivan and Shaider in 2013, and vintage lines kept trading steadily.

So the correct statement is that Metal Heroes had no new television series for twenty-five years, while continuing to exist through films, direct-to-video productions, crossovers and merchandise. That distinction matters when you are reading a product listing, because successor-era Gavan and original-era Gavan are different designs with different continuities.

Why Gavan specifically came back

When Toei needed a new pillar for the Sunday block after Super Sentai's broadcast run ended, it reached for Gavan rather than reviving a Sentai team or inventing something entirely new. That choice makes sense on three counts.

Gavan is the franchise's origin point, so reviving it carries the whole Metal Hero lineage rather than one season's fanbase. The armoured single-hero format also fits the stated shape of Project R.E.D., which is built around red-suited protagonists in technological armour. And critically, the format's biggest historical weakness — the difficulty of sustaining a single-hero toy line — is less binding inside a shared universe designed from the start to run multiple crossing series.

Whether that reasoning holds commercially is genuinely unproven. Project R.E.D. is a bet, not a guaranteed correction of the problems that shelved the franchise in 1999.

What this means if you collect

Three practical points.

First, check the era before you buy. Original-series Gavan, the 2012 successor Gavan, and Project R.E.D.'s Gavan Infinity are related brands with different suit designs. Packaging dates and copyright lines settle it; an English title added by a marketplace does not.

Second, vintage Metal Hero items are completeness-sensitive. The toys emphasised vehicles, deployable armour and robot partners, which means small missiles, tools, doors and transformation panels go missing. On a used listing, ask for photographs of the accessories specifically, not just the figure.

Third, the dormancy suppressed reissues, which is why some items stayed scarce. A twenty-five year gap with no current show means far fewer anniversary reprints than Kamen Rider or Sentai received over the same period. The 2026 revival is likely to change that for Gavan specifically, so if you are chasing a Gavan item purely as an investment, understand that a revival usually increases supply.

The short version

Metal Heroes did not fail. It ran seventeen years, produced the Space Sheriff trilogy and the Rescue Police trilogy, and stopped when its format had fragmented, its toy economics were weaker than its stablemates, and Toei needed the slot for a Kamen Rider revival that went on to define the next two decades. It stayed present through films and merchandise the entire time it was off television, and it returned in 2026 through the character that started it.