All Available Episode All Season 2 Episode 1. Series 2, Episode 1 Apr, 1971 30 minutes 0.0 2. Series 2, Episode 2 Apr, 1971 30 minutes 0.0 3. Series 2, Episode 3 May, 1971 30 minutes 0.0 4. Series 2, Episode 4 May, 1971 30 minutes 0.0 5. Series 2, Episode 5 May, 1971 30 minutes 0.0 6. Series 2, Episode 6 May, 1971 30 minutes 0.0 7. Series 2, Episode 7 Jun, 1971 30 minutes 0.0 8. Series 2, Episode 8 Jun, 1971 30 minutes 0.0 9. Series 2, Episode 9 Jun, 1971 30 minutes 0.0 10. Series 2, Episode 10 Jun, 1971 30 minutes 0.0 11. Series 2, Episode 11 Jun, 1971 30 minutes 0.0 12. Series 2, Episode 12 Jul, 1971 30 minutes 0.0 13. Series 2, Episode 13 Jul, 1971 30 minutes 0.0