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

5.7198150mMovieTV MovieMysteryScience Fiction

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…

DirectorJohn Black
WriterTerence Dudley
ProducerJohn Nathan-Turner

Where to watch

BBC iPlayerBBC iPlayer
Availability shown for United Kingdom · rights vary by country

Cast · Directed by John Black

ESElisabeth Sladen
Elisabeth Sladen
Sarah Jane Smith
JLJohn Leeson
John Leeson
K-9 (voice)
BFBill Fraser
Bill Fraser
Commander Bill Pollock
ISIan Sears
Ian Sears
Brendan Richards
CJColin Jeavons
Colin Jeavons
George Tracey
SCSean Chapman
Sean Chapman
Peter Tracey
MW
Mary Wimbush
Aunt Lavinia
LP
Linda Polan
Juno Baker
GM
Gillian Martell
Lilly Gregson
NB
Neville Barber
Howard Baker
JQJohn Quarmby
John Quarmby
Henry Tobias
NG
Nigel Gregory
Sergeant Vince Wilson

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More from John Black · Director

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K-9 and Company: A Girl's Best Friend — streaming FAQ

Which OTT platform streams K-9 and Company: A Girl's Best Friend?

K-9 and Company: A Girl's Best Friend is streaming on BBC iPlayer in United Kingdom. It's not currently on Netflix.

Is K-9 and Company: A Girl's Best Friend on Netflix?

No, K-9 and Company: A Girl's Best Friend is not on Netflix in United Kingdom as of September 2026. It's currently on BBC iPlayer.

Is K-9 and Company: A Girl's Best Friend on Amazon Prime Video?

No, K-9 and Company: A Girl's Best Friend isn't on Amazon Prime Video in United Kingdom right now. It's on BBC iPlayer instead.

Where can I watch K-9 and Company: A Girl's Best Friend for free?

K-9 and Company: A Girl's Best Friend is available to stream free (with ads) on BBC iPlayer in United Kingdom.