The Wonder Years season 1 episode 18
Episode title: Goose Grease
When Dean comes down with the chicken pox on his way to a hunting trip with Bill and Grandaddy Clisby, Lillian forces the three of them to quarantine together. Clisby pushes homemade remedies on them out of his mistrust of doctors, but he’s forced to reckon with this when Dean’s condition worsens.
