Ben 10: Alien Force시즌 1 이미지 교체에피소드 번호2Ben 10 Returns (2)OverviewBen, Gwen, and Kevin follow a lead that takes them to a secret base in the desert. There they hope to find Grandpa Max but instead find a Highbreed spaceship with a giant cannon.Air dateApril 18, 2008Runtime (min)23