First draft
Episodes were shown on 11 December as follows:
| Episode | Year |
| EF0017 | 1972 (Series 1) |
| EF0120 | 1973 (Series 2) |
| EF0626 | 1980 (Series 9) |
| EF0915 | 1984 (Series 13) |
| EF1109 | 1986 (Series 14) |
| 01513 | 1990 (Series 18) |
| 02294 | 1997 |
| 02805 | 2000 |
| 03066 | 2001 |
| 03328 | 2002 |
| 03606 | 2003 |
| 04229 | 2005 |
| 04541 | 2006 |
| 04856 | 2007 |
| 05165 | 2008 |
| 05166 | 2008 |
| 05477 | 2009 |
| 06419 | 2012 |