Moonbase 3, a British science fiction television programme in 1973.
His other television credits include Compact (1962), Paul Temple (1970-1971), Z-Cars (1971-1978), Poldark (1975), The Onedin Line (1977), All Creatures Great and Small (1978-1980), Juliet Bravo (1980), Dramarama (1983) and other science fiction series', Out of the Unknown (1965), Moonbase 3 (1973) and The Tripods (1984).
Other sound effects he provided included material for the cult series Moonbase 3, produced in 1973 by then-Doctor Who producer Barry Letts, and also occasionally sounds for The Two Ronnies.
The album was re-released in 1992 by Silva Screen records as Earthshock - Classic Music From The BBC Radiophonic Workshop Volume 1, with bonus tracks including "The World of Doctor Who", a track recorded by Mills as a B-side to Dudley Simpson's 1973 "Moonbase 3" single, which featured a mix of music from the serial "The Mind of Evil" with sound effects from "Planet of the Daleks" before finishing with Simpson's "Master's Theme".