14 Season
431 Episode
Bonanza - Season 12 Episode 22 The Silent Killer (1973)
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.
- Country : United States of America
- Genre : Western, Action & Adventure, Drama, Family
- Studio : NBC
- Director : David Dortort
- Cast : Lorne Greene, Michael Landon, David Canary, Tim Matheson, Mitch Vogel