Ben and Rook are called to London to investigate the Forever Knights' latest activities.
Ben and Rook must stop Zombozo and the Circus Freaks from turning everyone in Bellwood into zombie clowns!
Grandpa Max's old Plumber partner, Phil, seeks Max's help to tame the monster within.
Ben and the plumbers work to stop Ultimate Albedo's take over of the galaxy using Azmuth's absorbed intelligence.
Hulk is suffering amnesia and the team take him through a day in his life to jog his memory.
Rook and Grandpa Max search for Ben who is being held by Khyber on a private alien hunting preserve.
Albedo seeks a device that will finally change him back into his Galvan form; meanwhile, Ben is locked in Plumber HQ prison.
Dr. Doom has returned, combined with the Destroyer's capabilities and the team must enlist an unlikely allie.
A heroic superhuman named Hyperion arrives on the scene to protect and defend the Earth, but turns out to be more antagonistic for the Avengers when his methods prove dictator-like.
The Avengers face a superior technological, power-replicating machine that can turn the Avengers abilities against them and only Captain America's dependency on non-technology can save the day.
Novice Avenger Falcon must save his teammates from the body-swapping Space Phantoms.
After having been disbanded for years, the Avengers reunite when Red Skull, having formed an unlikely alliance with M.O.D.O.K., kills Captain America, and the heroes must avenge their fallen comrade and foil whatever plan the Skull is concocting.moreless
M.O.D.O.K. uses his technology to mind control the Avengers, causing them to brutally attack each other, as Red Skull infiltrates the Mansion to carry out a devious plot that puts the entire city of Manhattan at risk.moreless
Ben and Rook visit Revonah once more only to find the populace acting strange.
Ben and Rook have to escort Vilgax to a maximum-security prison planet along with defending the Earth against the Incursion armada.
The Faction infiltrates Galvanic Prime.
Ben meets an alternate version of himself while searching for a 23rd Mr. Smoothy's store.
Ben meets Rook's family during a visit to their home planet, which is being targeted for its precious resource by an old foe.
Khyber attacks Ben and Rook at a festival.
Returning from college, Kevin and Gwen fill Ben in on Kevin's new job and hiding from Princess Looma.
Rook and several Plumbers are accidentally transformed into other aliens when a part of Ben's Ominitrix is stolen during a prison break.
Ben is not deterred and continues to fight to the best of his ability.
Khyber and his Omintrix possessed pet have been testing Ben's skills and gathering information. They now use their collected knowledge to finally face Ben in battle.
The Avengers are vastly outnumbered when they crash land on the Kree home world Hala. Will Earth's mightiest heroes live to fight another day?
In the midst of a killer heatwave, an extremely flexible thief makes off with a very hot item. Things heat up even more, when Rook begins to suspect she may have designs on Ben as well.moreless
Ben's old enemy Dr. Animo returns to confront Rook.
Ben struggles to control a giant alien when a group of activists prevent him from harming the alien.