Season 4

1. Series 4, Episode 1

1980-04-17 • 35 min

2. Series 4, Episode 2

1980-04-24 • 35 min

3. Series 4, Episode 3

1980-05-01 • 35 min

4. Series 4, Episode 4

1980-05-08 • 35 min

5. Series 4, Episode 5

1980-05-15 • 35 min

6. Series 4, Episode 6

1980-05-22 • 35 min

7. Series 4, Final

1980-05-29 • 35 min