All Available Episode All Season 1 Episode 1. Episode 1 May, 1973 55 minutes 0.0 2. Episode 2 May, 1973 55 minutes 0.0 3. Episode 3 May, 1973 55 minutes 0.0 4. Episode 4 May, 1973 55 minutes 0.0 5. Episode 5 Jun, 1973 55 minutes 0.0 6. Episode 6 Jun, 1973 55 minutes 0.0