Ben 10 - Episodes

: 27, 31–32, 34, 39. Season 4 – Final Episodes & Setup for Alien Force (Episodes 40–52) Lighter tone, more filler, but includes series finale.

| 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) | ben 10 episodes

| Ep # | Title | Key Alien Debut | |------|-------|----------------| | 1 | And Then There Were 10 | Heatblast, Wildmutt, Diamondhead, XLR8, Grey Matter, Four Arms, Stinkfly, Ripjaws, Upgrade, Ghostfreak | | 2 | Washington B.C. | – | | 3 | The Krakken | – | | 4 | Permanent Retirement | – | | 5 | Hunted | – | | 6 | Tourist Trap | – | | 7 | Kevin 11 | Kevin Levin (mutant) | | 8 | The Alliance | – | | 9 | Last Laugh | – | | 10 | Lucky Girl | Gwen as "Lucky Girl" | | 11 | A Small Problem | – | | 12 | Side Effects | – | | 13 | Secrets | Master Control, Vilgax | : 27, 31–32, 34, 39