Brigi

At the end of the series it is revealed that Tyler's 2008 & 1973 realities were both fictitious, created by the futuristic computer - named Windy - aboard a space ship that is carrying Tyler, Hunt, Norris, Carling and Skelton on the first ever manned mission to the planet Mars. Tyler's actual reality is the year 2035, and the crew he worked with in the past are just virtual reality versions of his fellow spaceship crewmembers. The reason why he had travelled back to 1973 was due to a temporary malfunction on board the ship: to sustain their lives, all of the crew were routinely kept active while asleep using virtual reality "neural stimulation" programs of their own choosing, but a meteor storm caused a momentary glitch in the program (Sam had chosen his 2008 identity as part of his VR program, but the program accidentally kicked him back to 1973). Frank Morgan is the Mission Control flight director, Annie Norris is the Colonel in charge of the mission, and Gene Hunt - "Major Tom" - is also revealed to be Sam's father.