Vilgax promises Ghostfreak to spring him out of prison as long as he tells him the secrets of the Omnitrix, but when Ghostfreak betrays him and turns his people into his minions, Vilgax comes to Earth and asks for Ben, Gwen and Kevin's help to get rid of Ghostfreak.
Elenco: Paul Eiding , Yuri Lowenthal , Greg Cipes , Vicki Lewis , Dee Bradley Baker , Kevin Conroy , Ashley Johnson , Scott Menville , Tim Curry , Tim Curry , Wil Wheaton , Ioan Gruffudd , Kevin Michael Richardson , Richard McGonagle , John DiMaggio , Jeff Bennett .