Release Message:  While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven (Robert Lansing) who has his own agenda on the planet.

Description:  While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet. Wikipedia: Time-warping back to Earth of the 1960s, the crew of the Enterprise encounters an intergalactic superspy, who tries to interfere with 20th-century events.