TV series
A one-episode television pilot for a proposed 1981 spin-off of the British science fiction television series Doctor Who. It features former series regulars Sarah Jane Smith, an investigative journalist played by Elisabeth Sladen, and K9, a robotic dog voiced by John Leeson. Both characters had been companions of the Fourth Doctor but they had not appeared together before. The single episode, A Girl's Best Friend was broadcast by BBC1 as a Christmas special on 28 December 1981 but was not taken up for a continuing series.
Availability
K-9 and Company premiered December 28, 1981. We don't have a confirmed streaming, rental or purchase option yet.
A one-episode television pilot for a proposed 1981 spin-off of the British science fiction television series Doctor Who. It features former series regulars Sarah Jane Smith, an investigative journalist played by Elisabeth Sladen, and K9, a robotic dog voiced by John Leeson. Both characters had been companions of the Fourth Doctor but they had not appeared together before. The single episode, A Girl's Best Friend was broadcast by BBC1 as a Christmas special on 28 December 1981 but was not taken up for a continuing series.
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Episode 1
The pilot to a proposed spin-off series from Doctor Who. The Doctor leaves K9 Mark III as a gift to Sarah Jane, who is living with her Aunt Lavinia. Her aunt's ward, Brendan, is kidnapped by witches and it's up to Sarah Jane and K9 to save the day.
Written by Terence DudleyGuest stars Bill Fraser, Mary Wimbush, Gillian Martell, John Quarmby, Neville Barber
Episode information updated Jul 26, 2026
Available now in United States
These shows are available now and closely match K-9 and Company.
Elisabeth SladenSarah Jane Smith
John LeesonK-9 (voice)
Colin Jeavons
Ian SearsBrendan Richards
Bill Fraser
John Quarmby
BBC OneUnited Kingdom
