Tom Baker's second and third seasons marked a major up-turn in the show's popularity around the world and the ABC renewed repeat rights to many colour episodes from the Jon Pertwee era, including ones that had previously been blocked from early-evening broadcast due to originally having been classified 'A' by the Australian Film Censorship Board (AFCB). (These episodes were reviewed again by the Board which, by this time, felt that they were suitable for general broadcast). In a sequence that the ABC would repeat several times over the following four years, new Tom Baker episodes would be shown, followed by a rerun of selected colour episodes from Jon Pertwee's "Spearhead from Space" onwards.