Air date: 1971-04-10

Air date: 1972-09-16

Air date: 1973-09-27

Air date: 1975-01-02

Air date: 1976-09-04

Air date: 1977-11-12

Air date: 1978-12-26

Air date: 1980-11-01

Air date: 1981-12-05

Air date: 1983-12-10

Air date: 1985-02-13

Air date: 1985-12-25