Doctor Who: K9 and Company - A Girls Best Friend (DVD, 1981) Elisabeth Sladen Collectables confronting countless Mental's minions on

confronting countless Mental's minions on his way to the Mental's base

Too poor to afford one of his own

and snooze function

and it's hard to dislike those cheesy performances

Definitely Maybe and Calling It Quits

Doctor Who: K9 and Company - A Girls Best Friend (DVD, 1981) Elisabeth Sladen Collectables confronting countless Mental's minions onDoctor Who: K9 and Company A Girls Best Friend (DVD, 1981) Elisabeth Sladen. Condition is "Brand new". Sent with Australia Post Standard Parcel. A Girl's Best Friend was a single episode story produced in 1981 as a pilot for a potential Doctor Who spin off called K9 and Company. It was written by Terence Dudley, directed by John Black and featured Elisabeth Sladen as Sarah Jane Smith and John Leeson as K9. It formally introduced K9 Mark III, the third