No main cast listed for this episode.
NOVA — S3E13
Episode: The Underground Movement
Air Date: 1976-04-18
Runtime: 55 min
Overview
NOVA explores life underground, from foxes and badgers through moles and worms down to the myriad of micro-organisms that make soil the most complex substrate for life on earth. Included in the film is extraordinary footage of a mole burrowing and of roots growing.