Overview
Hurtling through time and space, K-9, one-time companion to a Lord and Lady of Time, arrives in mid 21st century London where he valiantly defends a group of children and an inventor from unwelcome alien hitchhikers. Forced to self-destruct, K-9 regenerates into a new form, but is left without many of his memories.
They are both teenagers - but nevertheless this one is more interesting