Keep track of your favorite shows and movies, across all your devices.
Bill Burrud's global survey of animal homes and habits popped up as a summer replacement on all three major networks from 1968 to '71. After a Sunday-afternoon run on NBC in 1972, it aired in syndication, with new episodes being produced until 1976.
Because it's never too early to plan Thursday night... two months from now.
Listen to every episode
Sign up and add shows to get the latest updates about your favorite shows - Start Now
Download the TV Guide app for iPhone, iPad and Android!