S2 E1 • La vérité sur grand-père Max

La vérité sur grand-père Max : L'ex partenaire plombier de Max, Phil, refait surface avec d'horribles intentions. Il finit par voler le projecteur ce qui met nos héros en péril jusqu'à ce que le Tétard Gris soit capable de viser Phil avec le projecteur.

Première diffusion : 29 mai 2006

S2 E2 • La tique géante

Un extraterrestre géant qui "désseche la planète" arrive à Yellowstone avec pour unique but de répendre ses toxines et de détruire la Terre. Accompagné par trois extraterrestres, la tique semble instoppable jusqu'à ce que Ben se transforme à son tour et détruise la tique, sauvant la planète.

Première diffusion : 30 mai 2006

S2 E3 • Dédoublement

Kevin est de retour et veut sa revanche. Maintenant qu'il peut prendre la personnalité extraterrestre de Ben, il accuse Ben des crimes qu'il commet.

Première diffusion : 31 mai 2006

S2 E4 • Gwen 10

Gwen a l'Omnitrix et le pouvoir qui va avec. Ben forme une équipe avec Max et Gwen pour arrêter Vilgax qui est arrivé sur Terre dans l'espoir d'obtenir la montre.

Première diffusion : 1 juin 2006

S2 E5 • Les Gladiateurs

In the middle of nowhere, Ben, as Diamond Head, fights Kevin 11, who is still in his mutated form. As they fight, they are taken to a ship, where a battle between different aliens are held. But when a mechanical droid named Slix decides to create a bond with Ben and Kevin as a team, they immediately turn his idea down. But with no choice, they must find a way out. Will Ben and Kevin learn the importance of teamwork?

Première diffusion : 7 juin 2006

S2 E6 • La Confrêrie Galactique

At a museum, Ben sits and reads a comic, daydreaming about himself as a super hero. As Gwen interrupts him, she is not happy how Ben treats the artwork. His day has been a bore, but when an alien vessel arrives, an alien named Volcanus and the bounty hunter Sixsix come to pursue the Biocenthium alloy to complete a mixture with Element X to create a bomb, strong enough to destroy a whole solar system. Suddenly, Ben meets The Galactic Enforcers, a group of three who serve in protecting the galaxy under the conduct code. Ben is intrigued by their heroic appearance, but are they really something to be looking up to?

Première diffusion : 13 juin 2006

S2 E7 • Champignons en Folie

When Ben and Gwen argue over a birthday party to occur in the next few months, Grandpa Max is distracted by their quarreling and almost hits a young boy camper. To ensure the boy's life, they head to Camp Opinicon, only to find no people around. As they investigate the premises, they find twins, whom were also hiding from something that may have a connection to the lifeless camp. Grandpa Max readies to leave the area with the children, only to find that the RV's engine is clogged with a mysterious fungus. While the kids take in shelter in a nearby cabin, Grandpa Max is captured. Now Ben must come to the rescue to discover a new alien form, as well as a way to destroy the evil alien Myceloid Monsters and their Fungal Master, and learn the benefits of what sharing can do.

Première diffusion : 21 juin 2006

S2 E8 • L'Arme Suprême

In Texas, a group of men discover a mysterious mask belonging to Ah Puch, the Mayan god of death and destruction. The mask is the key to the ultimate weapon in the world, known as the Sword of Ekchuah. However, when Grandpa Max and his grandkids learn that the mask is discovered, he impatiently sets out to obtain the mask, so that it does not fall in the wrong hands. Unfortunately, they find out that Enoch of The Organization is after it as well. The kids worry of how Grandpa Max has become, but with Enoch in the way, will Grandpa Max find the sword before him?

Première diffusion : 6 juillet 2006

S2 E9 • Le Triangle des Bermudes

Hex's niece, Charmcaster, enters the underground prison he's held at to release him out of his cell. With her help, Hex was able to regain most of his powers after being given his magical staff. Meanwhile, Ben, Gwen, and Grandpa Max head to a magic convention held in Las Vegas, and in there, Gwen finds the legendary Keystone of Bazell. With it, she gains the powers of Lucky Girl once again, but will it last after finding out that Hex and his niece are after it?

Première diffusion : 12 juillet 2006

S2 E10 • Un Coup de Chance

Our heroes ride a jet belonging to Grandpa Max's old Friend, Donovan Grand Smith, who owns an underwater resort. At the entrance, they receive a warm welcome from Donovan himself, though they also meet with his grandson, Edwin, who didn't seem to be excited about their guests. Later, when Edwin, Ben, and Gwen enter the Undersea Manta Ray, a giant submarine, they encounter strange aliens that threatened to destroy the whole resort. While the kids find a way to cooperate with each other to find the source that lures them in, Donovan himself learns a few lessons in how to bond better with his grandson.

Première diffusion : 18 juillet 2006

S2 E11 • Hanté par un spectre

Les démons internes de Ben deviennent réels lorsque le monstre fantôme s’échappe de sa montre. L’extraterrestre réalise qu’il a besoin de se fondre dans l’ADN de Ben pour survivre.

Première diffusion : 25 juillet 2006

S2 E12 • Dr Animo et le rayon mutant

Dr Animo s’est échapé de prison et est à la poursuite de Ben pour se venger. Ben casse une partie de l’Omnitrix et donc se transforme en un extraterrestre bizarre, Brasquipue.

Première diffusion : 25 août 2006

S2 E13 • Double vengeance

Ben se sent en sécurité avec sa montre. Il l’a déverrouillé et peut maintenant devenir n’importe quel extraterrestre. Ca c’est la bonne nouvelle. La mauvaise, c’est qu’après s’être retrouvé dans les méandres de l’espace, Kevin 11 et Vilgax se sont alliés pour retourner sur Terre, tuer Ben et récupérer l’Omnitrix.

Première diffusion : 9 octobre 2006