Season 1 CBS , 1952 - 1987 Watch now Season 2 CBS , 1988 Season 3 CBS , 1989 Season 4 CBS , 1990 Season 5 CBS , 1991 Season 6 CBS , 1992 Season 7 CBS , 1999 Season 8 CBS , 2001 Season 9 CBS , 2003 Season 10 CBS , 2005 Season 11 CBS , 2006 - 2007 Season 41 CBS , 1992 - 2003 Season 43 CBS , 1994 Season 44 CBS , 1995 Season 45 CBS , 1996 - 1997 Season 46 CBS , 1997 - 1998 Season 47 CBS , 1998 Season 49 CBS , 2001 Season 50 CBS , 2001 Season 51 CBS , 2002 - 2003 Season 52 CBS , 2003 - 2004 Season 53 CBS , 2004 - 2005 Season 54 CBS , 2005 - 2006 Season 55 CBS , 2007 Season 56 CBS , 2007 Season 2008 CBS , 2008 Season 2009 CBS , 2009