Nowhere to Go
Episode: 4x01 | Airdate: Nov 27, 1970
Episodes
The Canteen Girl
Episode: 4x02 | Airdate: Dec 4, 1970
Dangerous Living
Episode: 4x03 | Airdate: Dec 11, 1970
The Other Woman
Episode: 4x04 | Airdate: Dec 18, 1970
Christmas Duty
Episode: 4x05 | Airdate: Dec 25, 1970
The 'L' Bus
Episode: 4x06 | Airdate: Jan 1, 1971
The Kids' Outing
Episode: 4x07 | Airdate: Jan 10, 1971
The Anniversary
Episode: 4x08 | Airdate: Jan 17, 1971
Cover Up
Episode: 4x09 | Airdate: Jan 24, 1971
Safety First
Episode: 4x10 | Airdate: Jan 31, 1971
The Lodger
Episode: 4x11 | Airdate: Feb 7, 1971
The Injury
Episode: 4x12 | Airdate: Feb 14, 1971
Not Tonight
Episode: 4x13 | Airdate: Feb 21, 1971