– The series finale and Azmuth’s gift.
: Offers seasons for purchase, starting around $12.99 per season.
: An Oryctini that consumes matter to fire laser beams from its horn.
: Sometimes offers the series to stream for free for existing subscribers.
Concludes with the dramatic "Absolute Power" two-part finale. Season 2: The Dagon & Vilgax Arc (Episodes 21–52)
Finding a verified and complete "index" for Ben 10: Ultimate Alien means looking for a reliable episode guide and official streaming platforms. This sequel to Ben 10: Alien Force continues Ben Tennyson’s journey as an 11th-grade hero whose secret identity is now public knowledge.
| # | Episode Title | Original Airdate | Verified Notes | |---|---------------|------------------|----------------| | 26 | The Flame Keepers' Circle | Feb 11, 2011 | – | | 27 | Double or Nothing | Feb 18, 2011 | – | | 28 | The Perfect Girlfriend | Feb 25, 2011 | – | | 29 | Ultimate Sacrifice | March 4, 2011 | Sentient Ultimates | | 30 | The Purge | March 11, 2011 | – | | 31 | Simian Says | March 18, 2011 | – | | 32 | Greetings from Techadon | March 25, 2011 | – | | 33 | The Flame Keepers' Circle (Part 2) | April 1, 2011 | – | | 34 | The Ultimate Enemy (Parts 1 & 2) | April 8, 2011 | Vilgax returns | | 35 | A Knight to Remember | April 15, 2011 | – | | 36 | Solitary Alignment | April 22, 2011 | – | | 37 | Inspector 13 | April 29, 2011 | – | | 38 | The Enemy of My Frenemy | Sept 16, 2011 | – | | 39 | Couples Retreat | Sept 23, 2011 | – | | 40 | Catch a Falling Star | Sept 30, 2011 | – | | 41 | The Eggman Cometh | Oct 7, 2011 | – | | 42 | Night of the Living Nightmare | Oct 14, 2011 | – | | 43 | The Beginning of the End | Oct 21, 2011 | – | | 44 | The Ultimate Enemy (Part 3) | Oct 28, 2011 | – | | 45 | The Final Battle (Parts 1 & 2) | March 31, 2012 | Series finale |
The following aliens were to have an ultimate evolution used at least once:
A: Some index scrapers stopped updating in 2012. Season 3 aired later. If the timestamp on the index folder is older than 2012, the files are incomplete.