K-9 and Company: A Girl's Best Friend 1981

Sarah Jane Smith arrives at the home of her Aunt Lavinia in the cozy village of Moreton Harwood, only to find that Lavinia is nowhere to be found and that the Doctor has left her a parting gift in K·9 Mark III. With the help of K·9 and Lavinia's young ward Brendan Richards, Sarah Jane starts investigating her aunt's disappearance. In the process, they discover that Moreton Harwood is home to a coven worshipping the pagan god Hecate and preparing for a human sacrifice...

Cast:

Elisabeth Sladen
Sarah Jane Smith 

John Leeson
K-9 (voice) 

Bill Fraser
Commander Bill Pollock 

Ian Sears
Brendan Richards 

Colin Jeavons
George Tracey 

Sean Chapman
Peter Tracey