Season 1 CBS , 1951 - 1952 Watch now Season 2 CBS , 1952 - 1953 Watch now Season 3 CBS , 1953 - 1954 Watch now Season 4 CBS , 1954 - 1955 Watch now Season 5 CBS , 1955 - 1956 Watch now Season 6 CBS , 1956 - 1957 Watch now Season 7 CBS , 1957 - 1958 Season 8 CBS , 1958 - 1959 Season 9 CBS , 1959 - 1960