Stardate: 3113.2 - 3113.7 Although they also go back in time to within a week of the first 'moon shot' scheduled on Wednesday, 'sometime in the late 1960's'. This trek was made before the real first 'moon shot' Apollo 8, Dec 1968.

Original airdate: 1/26/1967

Writer: D.C. Fontana

Director: Michael O'Herlihy

Guest stars:
Roger Perry             Air Force Captain John Christopher, pilot who persues the Enterprise as a UFO and is taken aboard when tractor beams cause the break up of his jet.
 
Ed Peck                 Air Force Lt. Colonel Fellini, base security officer who interrogates Kirk.

Hal Lynch               Air Force Staff Sergeant in security who is beamed aboard the Enterprise when he pushes the emergency button on Kirk's communicator

Richard Merrifield      Technician Webb,air force radar tech who first spots the enterprise as a UFO.

John Winston            Transporter Chief Kyle

   Col. Sean Jeffery Christopher, son of John, as yet unborn first manned mission to Saturn.

Crew Appearances:
Kirk, Spock, McCoy
Sulu, goes with kirk to get the tapes of the Enterprise as a UFO
Uhura
Scotty
Majel Barret as the voice of the computer (sexy, feminine)

Synopsis:
Enterprise hurled back in time! When a black star sends the Enterprise backward in time to the twentieth century, the starship is spotted as a UFO. Air Force captain John Christopher's jet is accidentally destroyed, and Kirk is forced to beam him aboard. How can Kirk return the pilot to Earth, yet still manage to return to the future without changing history? (copied off the web)

Star Base 9: the destination of the Enterprise before they came across the black star that sent them through time, for resupply.

"Breakaway" term for using the whiplash speed of entering the gravity of a massive star to go back and forth in time.

United Earth Space Probe Agency: the authority who built the 12 ships like the Enterprise in the fleet

Cygnet 14: planet dominated by women who programmed the ships computers

C. Christophers jet crashed in southern Nebraska (Offit AFB??)when the Enterprise turned off the tractor beams and crushed it.

498th Airbase Group: name of the Air force installation.

Factoids:

Problems with time travel- unscrupulous men who has knowleg of the future could manipulate the past which would change "what must be".

Quotes:
"I never have beleived in little green men" Christopher.
"Neither have I." Spock.
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"I seemed to have made an error in my calculations." Spock.
"Oh, this could be an historic occasion."  McCoy.
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"Yes, I'm alright, but as you can see, we have another problem." Kirk after security tech was beamed up.
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"I'm a little green man from Alpha Centurii. A great little place. You outta see it." Kirk to security officer.
"I'm gonna lock you up for 200 years." Security officer.
"That outta be about right."  KIrk.
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