14 Season
431 Episode
Bonanza - Season 12 Episode 22 The Silent Killer
America's Favorite TV Western
An epidemic of influenza hits the Ponderosa and the only person who seems sure of what to do is the wife of a doctor, whom Doc Martin says is a fraud.
- Year: 1973
- Country: United States of America
- Genre: Western, Action & Adventure, Drama, Family
- Studio: NBC
- Keyword: nevada, ranch, family, single father, cowboy, wild west, 19th century, early america
- Director: David Dortort
- Cast: Lorne Greene, Michael Landon, David Canary, Tim Matheson, Mitch Vogel