(4 episodes, 1976-1982)
(3 episodes, 1976-1983)
(3 episodes, 1976-1980)
(3 episodes, 1976-1978)
(3 episodes, 1977-1984)
(3 episodes, 1978-1989)
(3 episodes, 1978-1988)
(3 episodes, 1979-1983)
(3 episodes, 1980-1986)
(3 episodes, 1980-1985)
(3 episodes, 1985-1989)
(2 episodes, 1975-1980)
(2 episodes, 1976-1984)
(2 episodes, 1976-1982)
(2 episodes, 1976-1981)
(2 episodes, 1976-1979)
(2 episodes, 1977-1980)
(2 episodes, 1977-1979)
(2 episodes, 1978-1981)
(2 episodes, 1978-1980)
(2 episodes, 1978-1979)
(2 episodes, 1979-1982)
(2 episodes, 1979-1981)
(2 episodes, 1981-1990)
(2 episodes, 1981-1985)
(2 episodes, 1981-1984)
(2 episodes, 1981-1983)
(2 episodes, 1982-1987)
(2 episodes, 1982-1986)
(2 episodes, 1983-1986)
(2 episodes, 1984-1986)
(2 episodes, 1986-1989)
(1 episode, 1976)
(1 episode, 1977)
(1 episode, 1978)
(1 episode, 1979)
(1 episode, 1980)
(1 episode, 1981)
(1 episode, 1982)
(1 episode, 1983)
(1 episode, 1984)
(1 episode, 1985)
(1 episode, 1986)
(1 episode, 1987)
(1 episode, 1988)
(1 episode, 1989)
(1 episode, 1990)
(1 episode, 1991)