The Big Valley - Season 1 - Eps 9: Earthquake!
Victoria is in a mission church with a pregnant indian woman, when an earthquake collapses it into a forgotten mine underneath. As if the situation isn't isn't bad enough. . they are also trapped with a man whom Nick had fired and who now has a serious grudge against the Barkleys.
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