January 1, 1965
Episode: 5x01 | Airdate: Jan 3, 1965
Episodes
Viruses
Episode: 5x02 | Airdate: Jan 10, 1965
The Quaking Earth
Episode: 5x03 | Airdate: Feb 7, 1965
Pain
Episode: 5x04 | Airdate: Feb 21, 1965
Lies, Damn Lies and Statistics
Episode: 5x05 | Airdate: Feb 28, 1965
The Pacemakers
Episode: 5x06 | Airdate: Mar 28, 1965