The Jason Explanation
- Radio sketch show
- BBC Radio 4
- 1977 - 1981
- 31 episodes (4 series)
David Jason unravels the mysteries of the universe and the meaning of life. Stars David Jason, Miriam Margolyes, Royce Mills, Sheila Steafel, Chris Emmett and more.
Key cast & crew credits
| David Jason | Host / Presenter |
| Miriam Margolyes | Ensemble Actor (Series 1) |
| Royce Mills | Ensemble Actor (Series 1) |
| Sheila Steafel | Ensemble Actor |
| Chris Emmett | Ensemble Actor (Series 1) |
| Norma Ronald | Ensemble Actor (Series 1) |
| Stephen Moore | Ensemble Actor (Series 2) |
| David Tate | Ensemble Actor (Series 2) |
| Malcolm Terrace | Ensemble Actor (Series 3) |
| Mike Grady | Ensemble Actor (Series 3) |
| Gordon Clive | Ensemble Actor (Series 3) |
| Jon Glover | Ensemble Actor (Series 3-4) |
| Colin Bostock-Smith | Writer |
| Andy Hamilton | Writer |
| Barry Pilton | Writer (Series 1) |
| Paul Lee | Writer (Series 1) |
| Alistair Beaton | Writer |
| Rory McGrath | Writer |
| Guy Jenkin | Writer (Series 2-4) |
| Owen Brenman | Writer (Series 3) |
| Chris Stratford | Writer (Series 3-4) |
| David Morley (as Dave Morley) | Writer (Series 3-4) |
| Jon Canter | Writer (Series 3-4) |
| Terry Linch | Writer (Series 3) |
| Laurie Rowley | Writer (Series 4) |
| Dave Dixon | Writer (Series 4) |
| Susan Clark (as Sue Clark) | Writer (Series 4) |
| Lesley Byrne | Writer (Series 4) |
| Geoffrey Perkins | Producer (Series 1-2) |
| Jimmy Mulville | Producer (Series 3-4) |
| John Owen Edwards | Composer (Series 1-2) |
| Dave Cooke | Composer (Series 3) |
| Nick Bicât | Composer (Series 4) |