First draft
Episodes were shown on 29 July as follows:
| Episode | Year |
| EF0181 | 1974 (Series 2) |
| EF1070 | 1986 (Series 14) |
| 01786 | 1993 (Series 21) |
| 02235 | 1997 |
| 02395 | 1998 |
| 02556 | 1999 |
| 03231 | 2002 |
| 03499 | 2003 |
| 03804 | 2004 |
| 04112 | 2005 |
| 04741 | 2007 |
| 05049 | 2008 |
| 05050 | 2008 |
| 05359 | 2009 |
| 05668 | 2010 |
| 05669 | 2010 |
| 05985 | 2011 |