Fantastic Four: World's Greatest Heroes - Season 1 (2006)

Reed's effort to help his friend Bruce Banner brings the Four into conflict with the Hulk -- and the people who are trying to capture him.

Skrulls impersonate the Fantastic Four's neighbors in order to collect tissue samples from them.

Accidental contact with energy from a probe sent to the Microverse causes the quartet to start shrinking.

While showing off Reed's lab, Johnny and his latest girlfriend become trapped into the Negative Zone, infesting the Baxter Building with alien bugs in the process.

Namor, the ruler of Atlantis, clashes with the Fantastic Four when he declares the world's oceans to be forbidden to humans.

Philip Masters, a sculptor frustrated with his lack of recognition, gains the power to control people when a piece of the cosmic ray-bombarded space station falls from the sky and gives his clay the power to control people.

One of Reed's returning space probes is followed by an annoying alien with the ability to turn himself into anything.

An energy disruption during Reed's latest attempt to cure Ben causes the quartet to switch powers with each other.

An energy sphere transports the Fantastic Four to the Negative Zone, where they are used by Doom to distract the insect conqueror Annihilus so that he can steal Annihilus's cosmic control rod.

An enormous subterranean creature attacks the Baxter Building looking for one of its eggs, which was secretly placed there by the Mole Man.

Ronan the Accuser gives a Skrull the powers of the Fantastic Four, who then uses them to defeat the super-powered team.

The Mole Man seeks out Ben Grimm as an ally as he pulls famous Manhattan landmarks down into his kingdom of Subterranea.

The Puppet Master uses his controlling clay to turn the city against the Fantastic Four.

Doctor Doom launches the Baxter Building into space.

Reed succeeds in reversing the Thing's condition, though the now-human Ben Grimm no longer has any memory of the team's transformation into the Fantastic Four.

A new super-powered quartet upstages the Fantastic Four.

The Fantastic Four return from a trip to the past to find Doom has changed history and is in control of the world.

Dethroned by Attuma the Barbarian, Namor turns to the Fantastic Four for help in reclaiming his kingdom.

After several attacks from Iron Man suits, the Fantastic Four track down Tony Stark. It turns out Doom was behind the attacks, and now the Four have to face both Iron Doom and Iron Man under Doom's control.

After exposure to a potion during a battle with the alchemist Diablo, Johnny finds his powers greatly increased -- and his personality turning evil.

Frustrated by his repeated defeats at their hands, Ronan the Accuser asks the powerful Grandmaster to stage a contest that would give him the chance to beat the Fantastic Four.

While attacking the Fantastic Four, Doom's latest robot develops sentience.

Terminus, an enormous armored alien, arrives on Earth to plunder it of its resources.