BASED on a story by Doctor Who legend Robert Holmes, Public Eye creator Roger Marshall scripts this cult sci-fi thriller from Merton Park studios. Starring Edward Judd (The Day the Earth Caught Fire, Island of Terror), Lyndon Brook (Reach for the Sky, The Spanish Gardener) and the Asian beauty Yoko Tani (First Spaceship on Venus, The Savage Innocents), Invasion (PG) is available on DVD from 3 November 2014, RRP £9.99, courtesy of Network.
Routine tests on a traffic accident victim lead to shocking discoveries when the man's blood is found to be unidentifiable and x-rays reveal a disc embedded in his brain. His fabulous tale of being an escaped prisoner from an alien spaceship takes a turn for the sinister when the hospital staff realise that they're under a state of siege. The trailer is above.