• S 7: Ep 5 September 18-24, 1972 (2)
    9/18/72
  • S 6: Ep 74 June 19-23, 1972 (NBC-TV)
    6/19/72
  • S 6: Ep 42 February 21-27, 1972 (1)
    2/21/72
  • S 5: Ep 7 October 12-16, 1970
    10/12/70