55 minutos
Maria and Luke start their new school where they pal up with another boy, Clyde. However, two of the teachers and the class genius turn out to be Slitheens in human form. They are shapeless smelly invaders from another planet whose aim is to destroy the Earth by turning off the Sun with the aid of a machine which Luke inadvertently helps them to start. The three teenagers are chased around the school by the Slitheen family.
Elisabeth Sladen
Sarah Jane Smith
Yasmin Paige
Maria Jackson
Tommy Knight
Luke
Daniel Anthony
Clyde
Joseph Millson
Alan Jackson
Juliet Cowan
Chrissie Jackson
Alexander Armstrong
Mr Smith (voice)
Martyn Ellis
Blakeman
Ian Midlane
Jeffrey
Pamela Merrick
Wendy
Imogen Bain
Janine
Anton Thompson McCormick
Carl
Jimmy Vee
Carl Slitheen
Paul Kasey
Jeffrey / Blakeman / Janine Slitheen
Lachele Carl
American newsreader
