Decisions
Episode: 4x01 | Airdate: Apr 3, 1978
Episodes
First Impressions
Episode: 4x02 | Airdate: Apr 10, 1978
Present Imperfect
Episode: 4x03 | Airdate: Apr 17, 1978
Barriers
Episode: 4x04 | Airdate: Apr 24, 1978
A Matter of Choice
Episode: 4x05 | Airdate: May 8, 1978
Maternity
Episode: 4x06 | Airdate: May 15, 1978
Branching Out
Episode: 4x07 | Airdate: May 23, 1978
Human Error
Episode: 4x08 | Airdate: May 30, 1978
Casualties
Episode: 4x09 | Airdate: Jun 5, 1978
Fraternity
Episode: 4x10 | Airdate: Jun 12, 1978
The Visitor
Episode: 4x11 | Airdate: Jun 19, 1978
Penalties
Episode: 4x12 | Airdate: Jun 26, 1978
Values
Episode: 4x13 | Airdate: Jul 3, 1978