Director: Alex Winter
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
Lee Majors
Grandpa Max Tennyson
Tyler Patrick Jones
Cash
Tyler Foden
T-J
Paige Hurd
Stephanie
Bianca Ruiz Brockl
Candace
David Franklin
Heatblast (voice)
Carlos Alazraqui
Grey Matter (voice)
Daran Norris
Diamondhead (voice)
Dee Bradley Baker
Wildmutt (voice)
Antoinette Spolar
Talent Show Teacher
Mitch Watson
Stage Manager
Jeff Jensen
Mr. Hawkins
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
Lee Majors
Grandpa Max Tennyson
Tyler Patrick Jones
Cash
Tyler Foden
T-J
Paige Hurd
Stephanie
Bianca Ruiz Brockl
Candace
David Franklin
Heatblast (voice)
Carlos Alazraqui
Grey Matter (voice)
Daran Norris
Diamondhead (voice)
Dee Bradley Baker
Wildmutt (voice)
Antoinette Spolar
Talent Show Teacher
Mitch Watson
Stage Manager
Jeff Jensen
Mr. Hawkins
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
Lee Majors
Grandpa Max Tennyson
Tyler Patrick Jones
Cash
Tyler Foden
T-J
Paige Hurd
Stephanie
Bianca Ruiz Brockl
Candace
David Franklin
Heatblast (voice)
Carlos Alazraqui
Grey Matter (voice)
Daran Norris
Diamondhead (voice)
Dee Bradley Baker
Wildmutt (voice)
Antoinette Spolar
Talent Show Teacher
Mitch Watson
Stage Manager
Jeff Jensen
Mr. Hawkins