Michael Bell (Rugrats)
William Callaway (Annie Hall)
Dick Gautier (Transformers)
Ed Gilbert (The Rescuers)
Chris Latta (G.I. Joe)
Neil Ross (Centurions)
Stanley Ralph Ross (Batman 60s)
Richard Saunders (Valley Girl)
Susan Silo (Lilo & Stitch)
John Stephenson (Centurions)
Charlie Adler (The Super Hero Squad Show)
The story begins with the discovery of a monstrous creature encased in an amber monolith buried in Big Sur national park, which is recovered by the government-funded Earth Corps, a geological sciences research team. The finding spurs corrupt industrialist Blackthorne Shore to clandestinely uncover a second monster buried elsewhere — a giant vine-like creature called Tendril, who attacks the amber block’s public unveiling in San Francisco to release the macabre colossus trapped within, D’Compose. They rampage through city streets before fleeing into the watery darkness of the bay. Earth Corps member Liquidator returns to Big Sur in search of further clues to the origin of these monsters, whereupon he discovers a race of sentient trees, the Redwoods, who explain that they are members of a subterranean population known as Mutores, and that their kind sealed the evil Inhumanoids Tendril and D’Compose beneath the Earth ages ago. The malevolent Inhumanoid leader, Metlar, remains imprisoned below the surface, paralyzed by the magnetic field of a Mutore duo named Magnokor.
A nocturnal assault by Tendril demolishes the Earth Corps base, prompting a chase into the depths of the Earth, but even with the help of another Mutore species, the rock-bodied Granites, they are forced to retreat back to the surface. When their budget is summarily cut by Senator Masterson — a crooked politician in Blackthorne Shore’s shady pocket — they are approached by Sandra Shore, Blackthorne’s sister, who has learned of her brother’s sinister plot to liberate Metlar. Funded by Sandra, the team constructs new vehicles and embarks back below the Earth’s surface, tracking D’Compose and Tendril to the city of the Granites, where an ensuing battle frees Metlar from Magnokor’s hold. Having pilfered Earth Corps’ engineering schematics via his ties to Masterson, Blackthorne joins the fray, now equipped with his own battle-suit whose magnetic powers he wields against Metlar, only to be derailed by Tendril’s interference while Sandra falls victim to the mutative touch of D’Compose.
Earth Corps manages to escape and forms an alliance with the Granites. Herc accompanies them to D’Compose’s domain of Skellweb while Auger and Liquidator venture into Metlar’s kingdom of Infernac, and Bright convinces the Redwoods to help defend the surface world against attempts by the Inhumanoids to acquire sources of power. Herc and the Granites are able to defeat D’Compose’s reanimated soldiers and restore Sandra to normal. Blackthorne pursues Auger and Liquidator to Infernac and tries to use his magnetic powers on Metlar once again but is foiled by Magnokor and taken captive by Metlar. Acting on information forced from Blackthorne, the Inhumanoids raid a Soviet air base, stealing a handful of nuclear missiles. A seemingly repentant Blackthorne warns Earth Corps that the missiles are intended to shatter the divide between the Earth’s crust and mantle, but upon travelling into the Earth to preclude this catastrophe, the team discovers that Blackthorne has set them up and that the missiles are actually meant to detonate the planet’s core. Earth Corps is able to convince D’Compose to allow them access to Infernac — a deal made easier by the fact that the Inhumanoid already fears for his own survival in the face of Metlar’s insane plan — and they manage to defuse enough of the missiles to thwart the explosive scheme.
Following a climactic battle, D’Compose is re-sealed in amber casing and Tendril is imprisoned by the Granites. Finally, Magnokor succeeds in neutralizing Metlar even as Blackthorne is arrested by Earth Corps. Senator Masterson provides the Earth Corps team with a new headquarters facility, but a tissue sample secured from Tendril during their first encounter with the monster has mysteriously gone missing.
The theme song is decent, which to me is the only weak part of the show it’s not really memorable like most animated show themes I know and love. The only bad things are this show just like the toy line didn’t last long which I though was too bad because I really felt this franchise had potential to be more if given more time. We could of had new monsters good and evil, may’be a few new Earth Core characters, plots could been even darker, characters more developed; they really lost an opportunity for another big franchise. Another is that it doesn’t have a proper release with all the episodes, hopefully somewhere around the line we will have it if possible. I think I wouldn’t mind seeing is a revival to the franchise.