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.

A Girl's Best Friend

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.

All Episodes of K-9 and Company

Season 1

A Girl's Best Friend

Season 1 Episode 1 - Aired 12/28/1981