Every season of The Quatermass Experiment ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of The Quatermass Experiment!

Contact Has Been Established

Persons Reported Missing

Very Special Knowledge

Believed to be Suffering

An Unidentified Species

State of Emergency

Set in the near future against the background of a British space programme, the story of the first crewed flight into space, supervised by Professor Bernard Quatermass of the British Experimental Rocket Group.

The Best Seasons of The Quatermass Experiment

Season 1