Many local TV stations delete the scene in which the Ymir kills an elephant from a zoo, claiming the scene is a needless depiction of cruelty to animals.
In 2007 a computer-colorized version was released. The 50th Anniversary Edition on DVD and Blu-ray includes both the original black & white and colorized versions.
When originally released theatrically in the UK, the BBFC made cuts to secure a 'X' rating. All cuts were waived in 1993 when the film was re-rated with a 'PG' certificate for home video.