Steve’s five choices are:
1. Dr. Who Annual 1966 – first published by World Distributors in September 1965.
2. The City of Death – TV episode – first broadcast on BBC1 in 1979.
3. The Five Doctors – TV episode – first broadcast on BBC1 in 1983.
4. The Happiness Patrol – TV episode – first broadcast on BBC1 in 1988.
5. Dr. Who and the Star Beast – comic story – first published in Doctor Who Weekly by Marvel UK in 1980.