Series 1 - Autons, Nestene Consciousness, Daleks, Emperor Dalek
Series 2 - Cybermen, the Cyber Controller
Series 3 - Macra, the Master
Series 4 - Sontarans, Davros, Time Lords, Rassilon
Series 5 - Silurians
Series 6 - Cybermats
Series 7 - The Great Intelligence, Ice Warriors, The Sisterhood of Karn, Zygons
Series 8 -
Series 9 -
Series 10 - Alpha Centauri, Mondasian Cybermen
Series 11 -
Series 12 - Eternals
Series 13 - Sea Devils (black/silver suit Sontarans)
(if you think of any more, comment)
