UFO: Confetti Check A-O.K. (Episode 22)

When the wife of a SHADO officer, Lieutenant Grey, gives birth, Straker's put in mind of events from a decade earlier, when he was still with his wife Mary. Having recently established SHADO, the responsibility and degree of commitment put a heavy strain on the marriage. Mary saw him visiting another woman but it was professional, not sexual, and due to the secret nature of SHADO, he was unable to tell her the truth without jeopardizing the organization.