 (Due to the BBC's accidental wiping of the master tape of Invasion of the Dinosaurs' first episode, that story wasn't screened at all by the ABC until November 1984, when they simply broadcast it – without any preceding explanation – as a five-part story, starting from episode 2.They never actually broadcast the full six episode story until 2004).In 1976 "Doctor Who" fans in Sydney, Melbourne and Brisbane fared only marginally better than they had in 1975, with sixteen weekly installments broadcast, starting with Planet of the Spiders at various times between March and May, followed by Tom Baker's debut in Robot, then The Sontaran Experiment and The Ark In Space (in that incorrect order).