The 53-year-old driving instructor from North Yorkshire described his meetings with his alien lover in Channel 4 documentary "Confessions Of An Alien Abductee."
He said that he holds hands with his alien mistress and says that he is ready and then through some alien technology that he is unable to understand is taken up to a craft orbiting the Earth.
Parkes also claimed that his wife was furious when she found out about his affair but he said that he didn't find anything wrong as his lover is from another planet.
He asserted aliens have been reaching out to him since he was a baby, as his real mom other is a 9ft tall green extraterrestrial with eight fingers.
He also said that the aliens will protect him from coming to any harm, adding that he is sure that he is being monitored by aliens.