All Available Episode All Season 1 Episode 1. Series 1, Show 1 Aug, 1973 30 minutes 0.0 2. Series 1, Show 2 Aug, 1973 30 minutes 0.0 3. Series 1, Show 3 Aug, 1973 30 minutes 0.0 4. Series 1, Show 4 Sep, 1973 30 minutes 0.0 5. Series 1, Show 5 Sep, 1973 30 minutes 0.0 6. Series 1, Show 6 Sep, 1973 30 minutes 0.0 7. Series 1, Show 7 Sep, 1973 30 minutes 0.0