All Available Episode All Season 4 Episode 1. Series 4, Show 1 May, 1988 30 minutes 0.0 2. Series 4, Show 2 Jun, 1988 30 minutes 0.0 3. Series 4, Show 3 Jun, 1988 30 minutes 0.0 4. Series 4, Show 4 Jun, 1988 30 minutes 0.0 5. Series 4, Show 5 Jun, 1988 30 minutes 0.0 6. Series 4, Show 6 Jul, 1988 30 minutes 0.0