Season 2 Episode 23 – Solitary Alignment
Azmuth sheds some light on how Old George obtained the sword and battled Dagon.
Taking place a few weeks after where Ben 10: Alien Force leaves off, Ben 10: Ultimate Alien follows the now sixteen-year-old Ben. The Omnitrix has been destroyed and Ben must learn to master the secrets of the new Ultimatrix, a gauntlet-like version of the old Omnitrix that not only gives him access to all of his original powers and abilities, but also allows him to evolve his alien forms into even stronger and even more powerful versions - ultimate forms. The second season features more self-contained stories rather than employing an overall storyline, although a real storyline is developing with the appearance of the mysterious but dangerous Old George and the extradimensional demon Lucubra.
Azmuth sheds some light on how Old George obtained the sword and battled Dagon.
Vilgax and the Flame Keepers' Circle duel George and the Forever Knights.
Ma Vreedle plans to spawn an army of Vreedle clones, which could dry up Earth's oceans.
The gang look into the Pacific Garbage Vortex when some people have gone missing. When they arrive, they find the missing people and two agents sent by Colonel Rozum while dealing with giant seagulls and a sentient Trash Monster.
The ultimate aliens inside Ben's Ultimatrix demand their freedom and end up sucking Ben into the Ultimatrix. While Gwen assumes her Anodite form to enter the Ultimatrix to help Ben, Kevin takes the Ultimatrix to Galvan Prime to convince Azmuth to help.