This was the final season of the Navy Lark
- O-01 (Nov 9 1975) Sequel to the Talpinium Shell
- O-02 (Nov 16 1975) NANA
- O-03 (Nov 23 1975) Helen, the New Wren
- O-04 (Nov 30 1975) Relief for Station 150
- O-05 (Dec 7 1975) Black is Beautiful
- O-06 (Dec 14 1975) Sidney and the Stamp
- O-07 (Dec 21 1975) Riding to Victory (a.k.a. Commander Murray Becomes a Showjumper)
- O-08 (Dec 28 1975) Horrible Horace
- O-09 (Jan 4 1976) Officer's and Gent's Lib
- O-10 (Jan 11 1976) The Case of the HGM Mark 5
- O-11 (Jan 18 1976) Uncle Wilberforce Pertwee