Watch Doctor Who Season 1 Episode 21 full movie online free in HD with English subtitles – no download needed.
Doctor Who (1963): The alien world of Marinus. Within a pyramid surrounded by an acid sea rests a machine capable of bring peace and order to the planet. Its keeper holds off the evil Voord and wants the Doctor and his crew to retrieve the missing circuits to reactivate it. They may have no choice but to comply…