All Seasons

Season 1

• S01E01 Episode 1

  • April 9, 1977
  • BBC One

• S01E02 Episode 2

  • April 16, 1977
  • BBC One

• S01E03 Episode 3

  • April 23, 1977
  • BBC One

• S01E04 Episode 4

  • April 30, 1977
  • BBC One

• S01E05 Episode 5

  • May 7, 1977
  • BBC One

• S01E06 Episode 6

  • May 14, 1977
  • BBC One

• S01E07 Episode 7

  • May 21, 1977
  • BBC One

• S01E08 Episode 8

  • May 28, 1977
  • BBC One

Season 2

• S02E01 Episode 1

  • April 1, 1978
  • BBC One

• S02E02 Episode 2

  • April 8, 1978
  • BBC One

• S02E03 Episode 3

  • April 15, 1978
  • BBC One

• S02E04 Episode 4

  • April 22, 1978
  • BBC One

• S02E05 Episode 5

  • April 29, 1978
  • BBC One

• S02E06 Episode 6

  • May 6, 1978
  • BBC One

• S02E07 Episode 7

  • May 13, 1978
  • BBC One

• S02E08 Episode 8

  • May 20, 1978
  • BBC One

• S02E09 Episode 9

  • May 27, 1978
  • BBC One

Season 3

• S03E01 Episode 1

  • March 31, 1979
  • BBC One

• S03E02 Episode 2

  • April 7, 1979
  • BBC One

• S03E03 Episode 3

  • April 14, 1979
  • BBC One

• S03E04 Episode 4

  • April 21, 1979
  • BBC One

• S03E05 Episode 5

  • April 28, 1979
  • BBC One

• S03E06 Episode 6

  • May 5, 1979
  • BBC One

• S03E07 Episode 7

  • May 12, 1979
  • BBC One

• S03E08 Episode 8

  • May 19, 1979
  • BBC One

Season 4

• S04E01 Episode 1

  • March 29, 1980
  • BBC One

• S04E02 Episode 2

  • April 5, 1980
  • BBC One

• S04E03 Episode 3

  • April 12, 1980
  • BBC One

• S04E04 Episode 4

  • April 19, 1980
  • BBC One

• S04E05 Episode 5

  • April 26, 1980
  • BBC One

• S04E06 Episode 6

  • May 3, 1980
  • BBC One

• S04E07 Episode 7

  • May 10, 1980
  • BBC One

• S04E08 Episode 8

  • May 17, 1980
  • BBC One