The Big Valley - Season 1 - Eps 11: The Way to Kill a Killer
When one of Nick's old friends, Mariano Montoya, comes through town on his way to sell his cattle, trouble hits in the form of deadly anthrax. The man's cattle begin to die off and it seems as though they will have to shoot them all, killing as well Mariano's dreams for the money. Until Eugene tells them of something called immunization, which he believes will work. Mariano isn't so sure however and tells them that to prove it works, the Barkleys must first try it on their own prize bull!The bull collapses and it looks as though it has been killed but then it moves and gets up, it works!! Mariano's herd is saved!
About The Big Valley

Title: The Big Valley
First Air Date: 1965-09-15
Last Air Date: 1969-05-19
Status: Ended
Rating: 6.1/10 (from 53 votes)
Language: EN
Seasons: 4
Total Episodes: 112
Network: ABC
Genres: Western, Drama
Production Companies: Unknown
Synopsis
The Big Valley is an American western television series which ran on ABC from September 15, 1965, to May 19, 1969. The show stars Barbara Stanwyck, as the widow of a wealthy nineteenth century California rancher. It was created by A.I. Bezzerides and Louis F. Edelman, and produced by Levy-Gardner-Laven for Four Star Television.
Cast

Barbara Stanwyck
Victoria Barkley

Richard Long
Jarrod Barkley

Peter Breck
Nick Barkley

Lee Majors
Heath Barkley

Linda Evans
Audra Barkley