First draft
Episodes were shown on 13 May as follows:
| Episode | Year |
| EF0160 | 1974 (Series 2) |
| EF0258 | 1975 (Series 3) |
| EF0579 | 1980 (Series 8) |
| EF0732 | 1982 (Series 10) |
| EF1048 | 1986 (Series 14) |
| 01764 | 1993 (Series 21) |
| 02203 | 1997 |
| 02360 | 1998 |
| 02523 | 1999 |
| 03176 | 2002 |
| 03439 | 2003 |
| 03738 | 2004 |
| 04049 | 2005 |
| 04984 | 2008 |
| 04985 | 2008 |
| 05294 | 2009 |
| 05607 | 2010 |
| 05608 | 2010 |
| 05920 | 2011 |
| 06236 | 2012 |