All Available Episode All Season 1 Episode 1. Series 1, Episode 1 Aug, 1970 30 minutes 0.0 2. Series 1, Episode 2 Aug, 1970 30 minutes 0.0 3. Series 1, Episode 3 Aug, 1970 30 minutes 0.0 4. Series 1, Episode 4 Aug, 1970 30 minutes 0.0 5. Series 1, Episode 5 Sep, 1970 30 minutes 0.0 6. Series 1, Episode 6 Sep, 1970 30 minutes 0.0 7. Series 1, Episode 7 Sep, 1970 30 minutes 0.0 8. Series 1, Episode 8 Sep, 1970 30 minutes 0.0 9. Series 1, Episode 9 Sep, 1970 30 minutes 0.0 10. Series 1, Episode 10 Oct, 1970 30 minutes 0.0 11. Series 1, Episode 11 Oct, 1970 30 minutes 0.0 12. Series 1, Episode 12 Oct, 1970 30 minutes 0.0 13. Series 1, Episode 13 Oct, 1970 30 minutes 0.0