Box set of the 1970s sci-fi television series starring John Mills as the eccentric Professor Quatermass - to celebrate 50 years since the first series was broadcast. In 'Huffity Puffity, Ringstone Round', Quatermass returns after retiring as a supernatural force comes to earth and is responsible for the disappearance of young people. In 'Lovely Lightning', Quatermass and Annie take the only survivor of the Ringstone Round incident, Isabel, to London. In 'What Lies Beneath', Quatermass meets another scientist, Chisolm, whilst hiding below London. He may hold the secret to the mystery. In 'An Endangered Species', Quatermass and team bait the alien force with a deadly poison. Finally, 'The Quatermass Conclusion' is an alternative feature-length edit of the series.