1984 (production)


 * 12 January - The final studio recording session for The Caves of Androzani was held, concluding Peter Davison's time as the Fifth Doctor.
 * February - Doctor Who Monthly changed its title to Doctor Who Magazine.
 * 7 February - Production commenced on The Twin Dilemma, the first story of the Colin Baker era.
 * 14 June - BBC Broadcasting Research issued a Viewing Panel Report gauging response to Season 21 of Doctor Who, which had included the changeover from Fifth Doctor Peter Davison to Sixth Doctor Colin Baker. The season received an Appreciation Index of 57, while newcomer Baker received a "rather cool reception" from viewers.