Below is the complete breakdown of the series by season, including original airdates and notable story arcs. Episodes: 13 This season introduces Ben, his cousin Gwen, and their grandfather Max as they embark on a summer road trip. Ben discovers the Omnitrix and learns to use its powers while battling villains like Vilgax, the evil alien warlord, and the mad scientist Dr. Animo.
| Episode # | Title | Original Airdate | |-----------|-------|------------------| | 27 | Midnight Madness | Nov 25, 2006 | | 28 | The Ben 10,000 | Dec 9, 2006 | | 29 | A Change of Face | Feb 3, 2007 | | 30 | Merry Christmas | Feb 10, 2007 | | 31 | Benwolf | Feb 17, 2007 | | 32 | Game Over | Feb 24, 2007 | | 33 | Super Alien Hero Buddy Adventures | Mar 3, 2007 | | 34 | Under Wraps | Mar 10, 2007 | | 35 | The Unnaturals | Mar 17, 2007 | | 36 | Monster Weather | Mar 24, 2007 | | 37 | The Return | Apr 7, 2007 | | 38 | Be Afraid of the Dark | Apr 14, 2007 | | 39 | The Visitor | Apr 21, 2007 | Episodes: 10 (+ 2 specials) The final season concludes the original series. Ben faces new challenges, including his arch-rival Kevin Levin (now mutated) and the return of Vilgax. The season ends with a two-part movie finale, Ben 10: Secret of the Omnitrix , which serves as the true series finale. ben 10 episode list
| Episode # | Title | Original Airdate | |-----------|-------|------------------| | 1 | And Then There Were 10 | Dec 27, 2005 | | 2 | Washington B.C. | Jan 13, 2006 | | 3 | The Krakken | Jan 14, 2006 | | 4 | Permanent Retirement | Jan 21, 2006 | | 5 | Hunted | Jan 28, 2006 | | 6 | Tourist Trap | Feb 4, 2006 | | 7 | Kevin 11 | Feb 11, 2006 | | 8 | The Alliance | Feb 18, 2006 | | 9 | Last Laugh | Feb 25, 2006 | | 10 | Lucky Girl | Mar 4, 2006 | | 11 | A Small Problem | Mar 11, 2006 | | 12 | Side Effects | Mar 18, 2006 | | 13 | Secrets | Apr 8, 2006 | Episodes: 13 Ben becomes more confident but also more reckless. Vilgax returns with a vengeance, seeking the Omnitrix. This season introduces fan-favorite aliens like Way Big and features the first appearance of the villainous Ghostfreak (Zs’Skayr). Below is the complete breakdown of the series