Episodes were broadcast on 2nd April on the following years: * 1970s - 1973, 1974 * 1980s - 1981, 1985, 1987 * 1990s - 1991, 1992, 1996, 1997, 1998 * 2000s - 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 * 2010s - 2010, 2012, 2013, 2014, 2015