Intros
    Close
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    Original unaired intro from the 1971 pilot
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      Season 1 (1971-1972)
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        Season 2 (1972-1973)
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          Season 3 (1973-1974)
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            Season 4 (1974-1975)
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              Season 5 (1975-1976)
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                Season 6 (1976-1977)
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                  Opening to the 1975 documentary
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                        Original 1971 intro/outro.