When the Enterprise is assigned to observe Earth's history in 1968, suddenly it intercepts a transporter beam which originates at least a thousand light-years from Earth, bringing aboard a humanoid alien 'agent Gary Seven' holding a black cat called Isis, who warns them to step back and let him go to accomplish his mission to save Earth; initially phaser-struck down, he manages to beam himself away, actually on a mission to prevent a nuclear rocket being launched at McKinley base because earth is socio-politically not ready for its technological progress. He assumes a classified identity to override a powerful computer, and mistakes the wrong girl, Miss Lincoln, for another agent; the computer reports both other agents he seeks are deceased in an accident. Meanwhile Kirk and Spock beam down to investigate if the alien isn't hostile, realizing the risk of changing their own past. When they get on his trail, the girl sees Spock's ears, calls the police and Seven gets away; they must ...
Did You Know?
The name "Roberta Lincoln" is a feminine version of Robert Lincoln
. Robert Todd Lincoln was a lawyer, politician, and businessman who had a long career and was present at or near the violent deaths of three USA Presidents: Abraham Lincoln
(his father), James A. Garfield
, and William McKinley
. The idea may be that in the "Assignment" spin off series, she would "just happen" to be near a lot of historical events including assassinations. It is unknown if the writers intended any such allusion, as Roberta has very little in common with Robert Todd Lincoln. See more
When Scotty is looking for Mister Seven, some of the shots of the Saturn rocket are of when it's being transported to the launch pad. See more
Captain James T. Kirk
Captain's log. Using the light speed breakaway factor, the Enterprise has moved back through time to the 20th century. We are now in extended orbit around Earth, using our ship's deflector shields to remain unobserved. Our mission - historical research. We are monitoring Earth communications to find out how our planet survived desperate problems in the year... 1968.
Special Enhanced version Digitally Remastered with new exterior shots and remade opening theme song See more