Ben 10 (Classic)
Ben Tennyson turns from zero to hero when he chances upon a paranormal wristwatch, the Omnitrix, when it crashes to earth in a meteorite. Morphing him into one of 10 different alien super heroes, Ben and his voice-of-reason cousin Gwen make it their mission to save the world from evil, guided by their Grandpa Max, who has his own slew of supernatural stories to share.
- S2 E1 - TruthMax's ex-partner as a plumber, Phil, resurfaces with nefarious intentions. He steals the dangerous Null Void Projector, which puts our heroes in jeopardy until Grey Matter is able to turn the projector on Phil and put him permanently inside the projector.
- S2 E2 - The Big TickA giant alien tick that 'sucks planets dry' lands in Yellowstone National Park with the sole purpose of spreading its toxins and destroying the earth. Accompanied by three alien devotees, the tick seems unstoppable until Ben changes into a new alien entity, Cannonbolt, and destroys the tick from the inside out, saving the planet in the process.
- S2 E3 - FramedKevin 11 is back, and he wants revenge. Now with the ability to take the shape of several of Ben's alien personalities, Kevin has been committing crimes and framing Ben for them. While in San Francisco, Ben is finally able to stop Kevin and to turn Kevin into an amalgamation of all of Ben's alien identities at the same time.
- S2 E4 - Gwen TenGwen gets the Omnitrix and the power that comes with it. Meanwhile a very confused Ben must come to grips with his 'new role' as he teams with Max and 'Gwen 10' to defeat Vilgax, who has come to Earth hoping to obtain the Omnitrix.
- S2 E5 - Grudge MatchBen and Kevin 11 are beamed up to a space ship where they're shackled to one another. There, they must learn to fight together in order to bring down a vicious promoter who pits aliens against aliens in gladiator battles.
- S2 E6 - The Galactic EnforcersWhen an intergalactic trio of alien superheroes arrives in Pittsburgh to track down the bounty hunter Six Six and his alien henchman, Ben joins the trio. Although he wants to become a classic hero himself, Ben soon realizes these 'heroes' are more messed up than his real family; instead, he joins Max and Gwen to save the day.
- S2 E7 - Camp FearAfter Max just misses running over a fleeing summer camper on the road, Ben, Max and Gwen take the boy back to his nearly deserted camp. It's nearly deserted because a race of alien mushrooms has taken over the camp as the first step toward world domination.
- S2 E8 - Ultimate WeaponWhen Max learns that part of an alien weapon has been unearthed in Texas, he becomes obsessed with finding it. In doing so, he leads Ben and Gwen on a wild adventure as they must battle the Forever Knights to see who will get the weapon first. An action-packed chase leads everyone to a Mayan Temple in Mexico and the revelation that the weapon is now useless.
- S2 E9 - Tough LuckGwen's Lucky Girl powers return when she buys a magical stone at a magic convention in Las Vegas. However Hex is after the same stone, and after his niece breaks him out of prison, the two set out to retrieve the stone and destroy Lucky Girl once and for all.
- S2 E10 - They Lurk BelowMax's longtime friend has just built the world's only underwater resort, and Ben, Gwen and Max are invited for a sneak peak. But it turns out that to power the resort, Max's friend took an energy orb from a race of underwater aliens: the same aliens responsible for The Bermuda Triangle! Now the aliens want their energy orb back, and they destroy the resort in order to get it.
- S2 E11 - Ghostfreaked OutBen's internal demons get externalized when Ghostfreak escapes from his watch and becomes a full-fledged being on his own. The renegade alien then realizes he needs to meld with Ben's DNA in order to survive, while Ben must figure out a way to get Ghostfreak back in the watch.
- S2 E12 - Dr. Animo and the Mutant RangerDr. Anino has broken out of jail and, intent on revenge, has been tracking Ben,. At the same time, Ben has broken off a piece of the Omnitrix, and as a result, has turned into weird alien combinations, i.e. StinkArms. When Animo obtains this piece of the watch, he uses it to create a ray that will mutate the entire world--but our heroes stop him before he can execute his nefarious plan.
- S2 E13 - Back With a VengeanceBen's feeling cocky with the watch. He's 'unlocked' its secret, and he can now become any alien he wants, whenever he wants. That's the good news. The bad news is: After finding each other in the depths of space, Kevin 11 and Vilgax have teamed up and returned to Earth to destroy Ben and get the Omnitrix.