![View Poster Image](https://image.tmdb.org/t/p/w342/8mDoUftlI60WeGmlp35NJ6XRfrk.jpg)
Episode 39 - The Bad Apple
Air Date: Jun 21, 1960
Ballinger and M squad are called in to investigate a diamond robbery. All the evidence points to an inside job. M squad have the tough task of working out who was the inside connection.