The 4th Doctor

After dying of radiation poisoning the doctor regenerates into a younger body, together you fight: A Giant Robot the Wirrn Sontarains Daleks and the creator of the Daleks “Davros” Cybermen Zygons the Anti matter Creature Sutekh (GOD OF DEATH) Kraals Morbius Harrison Chase Madagora Helix Eldrad The Master Xoanon the Voc Robots Magnees Greel the Rutan Fendahl The Collector The Minyans Sontarains Vynda-K The Pirate Captain Ogri Gracht Ranquin (leader of the swampies) Thawn and the Kroll The shadow (agent of the Black Guardian) Daleks and Davros Scaroth Lady Adrasta The Mandrels created by Tryst and Dymond The Nimon Meglos The Great Vampire Slaver Rovrick And finaly The Master