Ben 10: Ultimate Alien
› Season 2
S2 E26: Couples Retreat
After Darkstar opens the Door to Anywhere, Charmcaster comes through, and the two team up to give Ben, Gwen, and Kevin the fight of a lifetime.
| Air date | Feb 18, 2012 |
|---|---|
| Runtime | 23 minutes |
| TMDB rating | ★ 9.4/10 |