How the movie Forbidden Planet created a music genre and inspired ‘Krellaxiom’ Who or what were the Krell? The Krell are a fictional alien race in the 1956 science fiction film “Forbidden Planet.” They were an advanced civilization that existed 20,000 years ago on the planet Altair IV, and were capable of creating incredible technology, … Continue reading Stop civilization ending! Heed the warning of the Krell!