Herbert Maris and his friend Lt. Weston go to their favorite fishing spot and find their fishing guide charged with murder. Features Lon Chaney, Jr. as the Sheriff and a twist ending. Season 2, Episode 1 (1960)
You can stream Lock Up: The Case of Joe Slade free and legally on OldReel, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.