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.
| Name | Type | Role | |
|---|---|---|---|
| Terence Dudley | Writer | ||
| Ian Sears | Guest Star | ||
| John Quarmby | Guest Star | ||
| George Tracey | Guest Star | ||
| Neville Barber | Guest Star | ||
| Linda Polan | Guest Star | ||
| Mary Wimbush | Guest Star | ||
| Bill Fraser | Guest Star | ||
| John Black | Director |