The BEST seasons of K·9

Every season of K·9 ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of K·9!

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.