Grizzly Adams - Season 2 - Eps 11: The Spoilers
The people at Hoot Owl Creek find out that the fish is dying off and the animals are suffering from some kind of an epidemic, and it's obvious that someone is poisoning the creek. Mad Jack, Nakoma & Adams decide to investigate.
About Grizzly Adams

Title: Grizzly Adams
First Air Date: 1977-02-09
Last Air Date: 1978-05-12
Status: Ended
Rating: 7/10 (from 23 votes)
Language: EN
Seasons: 3
Total Episodes: 37
Network: NBC
Genres: Western, Action & Adventure
Production Companies: Sunn Classic Pictures
Synopsis
An innocent fugitive from the law lives in the wilderness with a grizzly bear companion and helps passers-by in the forest.
Cast

Denver Pyle

Dan Haggerty
Grizzly Adams

John Bishop