Deep in the Arctic Circle, in the winter of 2009, the skies of Northern Norway are lit up by an incredible but seemingly inexplicable light display. In 2006 one of the world's busiest airports is enveloped by UFO reports that come from the staff of a major US airline. Lastly we go back to the early years of the UFO phenomena and re-live the public scare of the great Washington UFO flap of 1952. Are there rational, scientific explanations for these fantastic events? Subject the scrutiny of investigative journalists and academic experts why do suspicions of conspiracy and cover-ups remain? Will the truth ever be revealed? Invasion Earth endeavours to expose the truth.