Doctor Who: The Green Death

"Jon Pertwee stars as the time-traveling scientist Doctor Who in this six-episode serial from the popular British science-fiction series. Doctor Who: The Green Death follows the good doctor and his companions to Wales, where a mine worker has been found dead, with his skin glowing a vivid shade of green. As Doctor Who and his associates investigate the death, they discover a chemical plant that has been dumping waste into the local waters. The waste has been causing some unusual side effects, most notably spawning of a breed of giant maggots. Doctor Who: The Green Death was originally aired by the BBC in May of 1973."