Lassie - Season 16 - Eps 19: The Cliff
Neeka and Lassie take a wrong turn on the self-guided trail at the Mesa Verde National Forest, and, while trying to find their way back, slip off a cliff where Neeka breaks his leg. As darkness falls, Bob and ranger Gene McClintock desperately search for the pair.
About Lassie

Title: Lassie
First Air Date: 1954-09-12
Last Air Date: 1973-03-24
Status: Ended
Rating: 6.1/10 (from 65 votes)
Language: EN
Seasons: 20
Total Episodes: 591
Network: CBS
Genres: Action & Adventure, Drama, Family, Comedy
Production Companies: Unknown
Synopsis
Lassie is the pet of Jeff Miller, an 11-year-old farm boy. The two become best friends and enjoy family adventures in the American countryside, teaching each other about love, nature and commitment.
Cast

Hugh Reilly
Paul Martin

Josh Albee
Mike Bishop

Larry Pennell
Keith Holden

Larry Wilcox
Dale Mitchell