The Doctor returns to Peladon fifty years after his last visit, to find Queen Thalira, daughter of the late King Peladon, on the throne. A tense labour dispute between Pel nobility and miners is worsened when apparitions of their deity Aggedor attack and kill several miners. The Galactic Federation desperately needs trisilicate for its war against Galaxy 5 and sends in brutal Ice Warrior troopers to ensure production. The Doctor discovers a devious plot at the heart of Aggedor's appearances.
as The Doctor
as Sarah Jane Smith
as Queen Thalira
as Chancellor Ortron
as Gebek
as Ettis
as Preba
as Blor
as Guard Captain
as Miner
as Miner
as Aggedor
as Eckersley
as Body of Alpha Centauri
as Voice of Alpha Centauri
as Azaxyr
as Sskel
as Vega Nexos
