Based on the story of renowned butterfly expert Robert Pyle (David Cross) who embarked on a life-changing trek through one of America's most important unprotected wildlands in the summer of 1995.
There are no TV Airings of The Dark Divide in the next 14 days.
Add The Dark Divide to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".