Star Trek: The Next Generation (1987)

Episode Overview

Stardate: 47653.2. After completing an away mission, Captain Picard and Data return to the Enterprise only to discover it adrift in the void. To their horror, they realize that the crew is undergoing a bizarre regression, reverting to their primal animal forms. As they grapple with this alarming transformation, Picard and Data must race against time to uncover the cause and find a solution before humanity is lost within their own evolutionary past.