This documentary on the nightlife of Las Vegas was filmed primarily at the Topicana and Dunes Hotels, respectively, in 1962-63. Musical numbers performed by the film's stars aside, "Spree" also includes scenes of gambling casinos, cock fights and boxing.

A documentary about the study of plant sentience with original music by Stevie Wonder. Utilizing time-lapse photography, the film proposes that plants are able to experience emotions and communicate with the world around them.

A scientist explains how the savagery and efficiency of the insect world could result in their taking over the world.