(12 episodes, 1982-1990)
(5 episodes, 1979-1986)
(4 episodes, 1968-1976)
(3 episodes, 1997)
(1 episode, 1973)
(1 episode, 1975)
(1 episode, 1976)
(1 episode, 1980)
(1 episode, 1981)
(1 episode, 1985)
(1 episode, 1988)
(1 episode, 1989)
(1 episode, 1990)
(1 episode, 1993)
(1 episode, 1995)
(1 episode, 1996)
(1 episode, 1997)