Nude on the Moon (1961)

Dr. Huntley and Professor Nichols are able to complete their work on a moon rocket because of an unexpected inheritance. They travel to the moon, but find a lush garden paradise rather than a barren wasteland. They are captured by virtually naked telepathic humanoids and taken in front of the Great Council. The Moon Goddess decides they should be allowed to continue their experiments, and Dr. Huntley begins falling in love with her. Professor Nichols worries about getting Huntley to return to earth.