Ben 10: Ultimate Alien: 1x7
Andreas' Fault
When Ben, Kevin, and Gwen investigate an odd string of thefts by the Forever Knights, they learn that Argit is using Andreas (one of the aliens being hunted by Aggregor) to frighten them into making him their leader. Argit’s plans go bad when the Forever Knights eventually revolt, and throw him into a dungeon with Ben and the others. When they discover that the Knights plan to execute Andreas, they break out and save him. But when a Forever Knight sets a bomb that would level the entire castle, Andreas sacrifices himself to absorb the force of the explosion. Although Ben and company believed him to be dead, Andreas survived the explosion. Unfortunately, the endeavor of stopping the bomb made him too weak to resist Aggregor as he recaptures him.
1 - 1Ben 10 Ultimate Alien: Fame Apr. 23, 2010
1 - 2Duped Apr. 30, 2010
1 - 3Hit 'Em Where They Live May. 07, 2010
1 - 4Computer Games May. 14, 2010
1 - 5Escape from Aggregor May. 21, 2010
1 - 6Too Hot to Handle May. 28, 2010
1 - 7Andreas' Fault Jun. 04, 2010
1 - 8Fused Jun. 11, 2010
1 - 9Hero Time Jun. 18, 2010
1 - 10Ultimate Aggregor Oct. 10, 2010
1 - 11Map of Infinity Oct. 10, 2010
1 - 12Reflected Glory Oct. 15, 2010
1 - 13Deep Oct. 22, 2010
1 - 14Where the Magic Happens Oct. 29, 2010
1 - 15Perplexhahedron Nov. 05, 2010
1 - 16The Forge Of Creation Nov. 12, 2010
1 - 17Nor Iron Bars A Cage Nov. 19, 2010
1 - 18The Enemy of My Enemy Dec. 03, 2010
1 - 19Absolute Power Part 1 of 2 Dec. 10, 2010
1 - 20Absolute Power Part 2 of 2 Dec. 10, 2010