King of the Hill: Season 3, Episode 3

3 - 3: Peggy's Headache

When Peggy starts writing "musings" for the local newspaper, the pressure gives her a headache, so she goes to John Redcorn for a theraputic massage. When she finds out that Dale's wife Nancy is having an affair with John Redcorn, she is so horrified that she decides to tell Dale about it.