All Available Episode All Season 6 Episode 1. Episode 1 Apr, 1968 30 minutes 0.0 2. Episode 2 Apr, 1968 30 minutes 0.0 3. Episode 3 May, 1968 30 minutes 0.0 4. Episode 4 May, 1968 30 minutes 0.0 5. Episode 5 May, 1968 30 minutes 0.0 6. Episode 6 May, 1968 30 minutes 0.0 7. Episode 7 Jun, 1968 30 minutes 0.0 8. Episode 8 Jun, 1968 30 minutes 0.0 9. Episode 9 Jun, 1968 30 minutes 0.0