Series 1
15 October 1971 - 21 January 1972

15 episodes
1       The Wind Blows Free
2       Plain Sailing
3       Other Points of the Compass
4       High Price
5       Catch as Can
6       Salvage
7       Passage to Pernambuco
8       The Homecoming
9       When My Ship Comes Home
10     A Very Important Passenger
11     Mutiny
12     Cry of the Blackbird
13     Shadow of Doubt
14     Blockade
15     Winner Take All 

Series 2
17 September - 31 December 1972

14 episodes
16     The Hard Case
17     Pound and Pint
18     A Woman Alone
19     Fetch and Carry
20     Yellow Jack
21     Survivor
22     Coffin Ship
23     ‘Frisco Bound
24     Beyond the Upper Sea
25     An Inch of Candle
26     Goodbye, Goodbye
27     Bloody Week
28     The Challenge
29     Race for Power

Series 3
21 October 1973 - 27 January 1974

13 episodes
30     The Ship Devils
31     The Stranger
32     Echoes from Afar
33     Amazon Cargo
34     Danger Level
35     Black Gold
36     Law of the Fist
37     Ice and Fire
38     A Proposal of Marriage
39     Over the Horizon
40     The Silver Caddy
41     Port Out, Starboard Home
42     The Passenger 

Series 4
25 April - 27 June 1976

10 episodes
43     Loss of the Helen May
44     A Cold Wind Blowing
45     Not Wanted on Voyage
46     Undercurrent
47     Quarantine
48     Uncharted Island
49     A Clear Conscience
50     Shipwreck
51     The Gamble
52     Month of the Albatross 

Series 5
26 June - 28 August 1977

10 episodes
53     When Troubles Come
54     Rescue
55     Coffin Ships
56     The Trade Winds
57     The Stowaway
58     Dead Man’s Cargo
59     A Hard Life
60     The Hostage
61     Uncharted Waters
62     A Close Run Thing

Series 6
16 July - 17 September 1978

10 episodes
63     No Smoke Without Fire
64     Collision Course
65     Double Dealers
66     Stand by to Go About
67     The Upright Man
68     The Reverend’s Daughter
69     Highly Explosive
70     A Sea of Troubles
71     Men of Honour
72     The Fortune Hunters 

Series 7
22 July - 23 September 1979

10 episodes
73     Liverpool Bound
74     The Homecoming
75     The Paddy Westers
76     Dirty Cargo
77     To Honour and Obey
78     Running Free
79     The Suitor
80     Storm Clouds
81     Outward Bound
82     Homeward Bound 

Series 8
31 August - 26 October 1980

9 episodes
83     A Royal Return
84     Revenge
85     Blood Ties
86     The Honeymoon
87     Jonah’s Luck
88     The Price of Pride
89     Vengeance
90     Guilty - In All Innocence
91     A Long Way Home