Aired: November 25, 1987 | Season: 18 | Episode: 3

Overview
Runtime: 30m
Directed by: Paul Lally
Written by: Fred Rogers
Guest stars: Michael Horton
Description
Robert Trow dresses up in his Bob Dog costume so that Mister Rogers can compare a real hound (which he brought) to a man in a dog costume. In the Neighborhood of Make-Believe, everyone except Prince Tuesday knows Mayor Maggie and Queen Sara will trade places for a day. This leads to the inevitable misunderstanding.