: Five aliens from another galaxy try to escape their captor, Aggregor. Ultimate Aggregor
– Ben's old enemies team up to target his family after his identity goes public. ben 10: ultimate alien all episodes
Julie leaves for a tennis tournament, and an incredibly attentive clone takes her place. Ben enjoys the change until he uncovers the sinister origin of the duplicate. Episode 39: "The Ultimate Sacrifice" : Five aliens from another galaxy try to
The Forever Knights accidently release an ancient creature from another dimension. Ben and the team must work with Old George, the original Forever Knight. Episode 28: "Basic Training" ben 10: ultimate alien all episodes
A dramatic turning point for the series and Kevin’s character.
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