| Ep # | Title | |------|-------| | 27 | Ben 10,000 | Future Ben | | 28 | Midnight Madness | | 29 | A Change of Face | | 30 | Merry Christmas | | 31 | Ben 10 vs. the Negative 10: Part 1 | | 32 | Ben 10 vs. the Negative 10: Part 2 | | 33 | The Return | | 34 | Be Afraid of the Dark | Zs’Skayr finale | | 35 | The Visitor | | 36 | Divided We Stand | | 37 | Don’t Drink the Water | | 38 | Big Fat Alien Wedding | | 39 | Ben 10: Secret of the Omnitrix (movie) |
: 27, 31–32, 34, 39. Season 4 – Final Episodes & Setup for Alien Force (Episodes 40–52) Lighter tone, more filler, but includes series finale. ben 10 episodes
: 18, 24, 26. Season 3 – The Negative 10 & New Aliens (Episodes 27–39) Ben unlocks new aliens (Cannonbolt, Wildvine, Upchuck, Ditto, Eye Guy, Way Big). | Ep # | Title | |------|-------| |