Sandy decides not to send her angry letter of resignation to her principal but David mails it.
The Hogan Family S05E22 (“A Matter of Principal”) first aired on March 19, 1990.
In the US, The Hogan Family season 5 — including this episode — is available on Amazon, AppleTV, and Fandango at Home.
Guest stars include Braeden Marcott (Mailman), Jon Cypher (Mr. Edwards), and Courtenay McWhinney (Mrs. Rettick).