Warm Heart--Cold Nose Lassie : Season 16 Episode 20

With Bob at a meeting, Lassie visits overnight with the Frasers, a blind man and his wife who live in the woods without any way of communicating with the outside world. When Edie Fraser is hurt during a walk, Clint and his guide dog Ginger start for help, but Lassie must save them from a cougar's attack and go herself.