No. of Episodes:

27

Starring :

Glyn Houston

John Challis

David Prowse

Peter Cellier

Aubrey Richards

Series 4

12/09/1968

Episodes

Theory

Proof

Bird Of Passage

See The Rabbit

Take Them In Singles

Red Herring

Five Pairs O' Hands

Minor Incident

An Old Song

Big Boats, Little Boats

For A Rainy Day

Assistance

Equal Status

Obstruction

Going Quietly

On Christmas Day In The Morning

Departure

Cross Reference

Run For The Hills

Pressure

A Quantity Of Gelignite

Critical Path

Persistence

Second Chance

How's The Wife Then ?

Right To Search

Proved Connection