All Available Episode All Season 4 Episode 1. Series 4, Show 1 Mar, 1988 30 minutes 0.0 2. Series 4, Show 2 Mar, 1988 30 minutes 0.0 3. Series 4, Show 3 Mar, 1988 30 minutes 0.0 4. Series 4, Show 4 Mar, 1988 30 minutes 0.0 5. Series 4, Show 5 Apr, 1988 30 minutes 0.0 6. Series 4, Show 6 Apr, 1988 30 minutes 0.0 7. Series 4, Show 7 Apr, 1988 30 minutes 0.0 8. Series 4, Show 8 Apr, 1988 30 minutes 0.0 9. Series 4, Show 9 Apr, 1988 30 minutes 0.0 10. Series 4, Show 10 May, 1988 30 minutes 0.0 11. Series 4, Show 11 May, 1988 30 minutes 0.0 12. Series 4, Show 12 May, 1988 30 minutes 0.0 13. Series 4, Show 13 May, 1988 30 minutes 0.0 14. Series 4, Show 14 Jun, 1988 30 minutes 0.0 15. Series 4, Show 15 Jun, 1988 30 minutes 0.0 16. Series 4, Show 16 Jun, 1988 30 minutes 0.0