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.

Ben 10: Ultimate Alien (TV Series 2010–2012) - Episode list - IMDb

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Ben 10: Ultimate Alien (TV Series 2010–2012) - IMDb

Ultimate Aggregor, Ben 10 Wiki

Ben 10: Ultimate Alien - Escape From Aggregor (Full Episode)

Ben 10: Ultimate Alien (TV Series 2010–2012) - Episode list - IMDb

List of Ben 10: Ultimate Alien episodes - Wikipedia

Ben 10: Ultimate Alien (TV Series 2010–2012) - IMDb

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Every Ben 10 Series & How To Watch Them In Order

Ben 10: Ultimate Alien [2011-2012] Season 2. Conclusion