Poster of Cast and Crew in The Quatermass Experiment - An Unidentified Species (Season 1 - Episode 5) - An Unidentified Species

The Quatermass Experiment - Season 1 - An Unidentified Species (Episode 5)

Plot: Quatermass picks up Carroon's trail and believes that the mixture of chemicals he has taken will accelerate his metamorphosis. Meanwhile, the killing starts - and Westminster Abbey a pulsating mass is revealed clinging to the building
Episode Aired On:
Saturday, August 15 1953
72 years ago
Genres: Drama, Sci-Fi & Fantasy