K-9 and Company: A Girl's Best Friend
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...
Top cast
Elisabeth SladenSarah Jane Smith
John LeesonK-9 (voice)
Bill FraserCommander Bill Pollock
Ian SearsBrendan Richards
Colin JeavonsGeorge Tracey
Sean ChapmanPeter Tracey- Mary WimbushAunt Lavinia
- Linda PolanJuno Baker
- Gillian MartellLilly Gregson
- Neville BarberHoward Baker
John QuarmbyHenry Tobias- Nigel GregorySergeant Vince Wilson
Below are the streaming services currently carrying the movie “K-9 and Company: A Girl's Best Friend” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch K-9 and Company: A Girl's Best Friend in Canada
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Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 16 Sept 2026.