New look date articles coming soon!
Episodes were shown on 19 March as follows:
| Episode | Year |
| EF0043 | 1973 (Series 1) |
| EF0146 | 1974 (Series 2) |
| EF0650 | 1981 (Series 9) |
| EF0939 | 1985 (Series 13) |
| EF1133 | 1987 (Series 15) |
| 01540 | 1991 (Series 19) |
| 01644 | 1992 (Series 20) |
| 02064 | 1996 (Series 24) |
| 02337 | 1998 |
| 02499 | 1999 |
| 02875 | 2001 |
| 03136 | 2002 |
| 03398 | 2003 |
| 03691 | 2004 |
| 04313 | 2006 |
| 04627 | 2007 |
| 04942 | 2008 |
| 05249 | 2009 |
| 05561 | 2010 |
| 06189 | 2012 |