Ben 10: Ultimate Alien Episodes, Ben 10 Wiki

The following is a list of episodes for Ben 10: Ultimate Alien. There are a total of 52 episodes and 2 crossover specials. Although the first 20 episodes were produced and aired as one season, they were written as two seasons of 10 episodes each. Furthermore, Season 3 was split into Seasons 2 and 3 when aired, with several episodes airing out of order.

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Ben 10: Ultimate Alien Episodes, Ben 10 Wiki

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