Airdates
The programme was aired on BBC Radio 4, a station that normally does not entertain repeats, on the following dates:
- 1978 First-Sixth: 8 March-12 April; repeated 23 April-28 May; and 1 November-6 December; Seventh: 24 December repeated 26 December.
- 1979 Seventh: 8 April; First-Sixth: 1 July-5 August; Seventh: 24 December.
- 1980 Eighth-Twelfth: 21–25 January; repeated 24 February-23 March.
- 1981 Ninth: 7 January; First-Twelfth: 7 April-12 June.
- 1983 First-Twelfth: 27 March-12 June, plus Seventh: 5 April.
- 1984 Seventh-Twelfth: 24 December-29 December
Read more about this topic: The Hitchhiker's Guide To The Galaxy Primary And Secondary Phases