Season 1, Episode 24 The Crisis

First Aired: April 19, 1973

The Waltons are grief-stricken when a doctor pronounces Olivia a disabled victim of polio. First of two parts. Michael Learned. John: Ralph Waite. Mary Ellen: Judy Norton-Taylor. Erin: Mary Elizabeth McDonough. Jason: Jon Walmsley. Ben: Eric Scott. Elizabeth: Kami Cotler.