Ben, Gwen, and Max must stop an extraterrestrial who plans to open a gateway that leads to an alien invasion.
Graham Phillips
Ben Tennyson
Christien Anholt
Eon
Haley Ramm
Gwen Tennyson
Beth Littleford
Sandra Tennyson
Don McManus
Carl Tennyson
Sab Shimono
Old Man
Aloma Wright
Mrs. Dalton
Robert Picardo
Principal White
