Kurt 10: Alien Alliance 2: Apocalypse

Kurt 10: Alien Alliance 2: Apocalypse is the second cross-over between Ben 10: Alien Alliance and Kurt 10. It's the 64th episode of Ben 10: Alien Alliance and the 8.5 episode of Kurt 10: Season 3. Ben ends up in a parallell world after defeating Vilgax. He quickly discovers that this world as well as the whole multiverse is at danger. A powerful villain, named Andross has stared summoning the most evil creatures of different universes. Now Ben and Kurt will have to stop this madman, only to discover the true intentions of Andross: the awakening of the Four Horsemen, a terrible force of Judgement, servants of the Creator of the Universe!

Plot
(monologue at the beginning of the episode): ''In the beginning, there was chaos in Universe. Endless Wars, new life was quickly destroyed by the Old Ones. Complete solar systems were desintegrated, it would not been for long before the other universa would invade and conquer each other. The future of the Multiverse was at stake. This bloodshed had to end. To end this chaos once and for all, the Four Horsemen were created to enforce Balance in the universe. Each time, one dared to threaten this balance, to conquer whole solar systems, the four were sent. The first one to be sent was Strife, ender of Conquest. He helps the invaders to conquer the planet, but with the warning that it will be the last to be conquered. When this oath is broken, the second one rode for. The second one is the personification of conflict, War. Everywhere he appears, soldiers fall. This is the last warning, when this warning is ignored the third will rode for. The third one is named Fury, the bringer of Hunger. She brings famine to the oath breakers. The rivers run dry, the earth becomes unfertile and the animals died for plagues. Once this is done, the fourth is sent. Death, the Grim Reaper ends the life of every remaining life form on the planet, besides the culprits. Next he destroys the whole solar system. The Four Horsemen will leave the universe, only to return to destroy when someone dares to threaten the balance again...''