Sezon 4
Bölümler
1 Mrs. Palfrey at the Claremont 18 Eki 1973 2 Her Majesty's Pleasure 25 Eki 1973 3 Jack Point 1 Kas 1973 4 The Emergency Channel 8 Kas 1973 5 Mummy and Daddy 15 Kas 1973 6 Private Practice 22 Kas 1973 7 Shutdown 29 Kas 1973 8 Baby Blues 6 Ara 1973 9 Jingle Bells 13 Ara 1973 10 The Lonely Man's Lover 17 Oca 1974 
11 All Good Men 31 Oca 1974 
12 Joe's Ark 14 Şub 1974 13 Hot Fat 21 Şub 1974 14 Easy Go 7 Mar 1974 15 Headmaster 14 Mar 1974 
16 Penda's Fen 21 Mar 1974 17 Pigeon--Hawk or Dove? 28 Mar 1974 18 Three for the Fancy 11 Nis 1974 
19 The Cheviot, the Stag and the Black, Black Oil 6 Haz 1974 
20 Schmoedipus 20 Haz 1974 21 The Childhood Friend 27 Haz 1974 22 A Follower for Emily 4 Tem 1974
11 All Good Men 31 Oca 1974 12 Joe's Ark 14 Şub 1974 13 Hot Fat 21 Şub 1974 14 Easy Go 7 Mar 1974 15 Headmaster 14 Mar 1974 16 Penda's Fen 21 Mar 1974 17 Pigeon--Hawk or Dove? 28 Mar 1974 18 Three for the Fancy 11 Nis 1974 19 The Cheviot, the Stag and the Black, Black Oil 6 Haz 1974 20 Schmoedipus 20 Haz 1974 21 The Childhood Friend 27 Haz 1974 22 A Follower for Emily 4 Tem 1974