Oops! I forgot a few more.

Callan
Z Cars
No one has yet mentioned "Heart Beat"
Blakes 7
Softly,Softly
Dixon of Dock Green (Eve'in all)
It's a knockout
The Banana splits (American Import)
Whickers world
Tomorrows world
The survivors
Anything with Spike Milligan
Curry and chips, All the Q series and, The world of Beachcomber