A mysterious weapon master from Techadon visits Earth and wants the Ultimatrix.
Ben and his friends have to face a new threat when Azmuth tells them that while Old George did indeed use his sword to slay Diagon, only Diagon's heart was removed, and Diagon is in fact still alive. Diagon is powerful, and may be too tough for even Ben and his friends to stop.moreless
Ma Vreedle decides it is time to procreate and decides she needs about 400,000,000,000 or so male clones of herself. A world that is 70-80% water, such as Earth, will make a great place to create them. Can Ben and the team save Earth?moreless
The ultimate aliens inside Ben's Ultimatrix demand their freedom!
The nano-chips are back and have disguised themselves as Julie!
Albedo, aka Negative Ben, resurfaces, and he's making money off of Ben's fame, but for what?
Julie joins a fanatical group who has discovered Vilgax and worships him.
Ben is attacked by a horde of Techadon robots.
Simian brings a DNAlien Xenocyte to the Arachnachimp's planet and infects all the Arachnachimps until only Simian is left. With the help of Eunice, they attempt to genetically restore the planet's inhabitants.
Old George, THE Forever Knight, re-ignites a war against all aliens on Earth!