Mister Rogers' Neighborhood (1968)

S26E13 Helping

In this episode titled "Helping," Rogers stops by B. Smith's restaurant, where he has a heartfelt reunion with B. Smith. Later, she makes her way back to the Neighborhood of Make-Believe and leaves a special napkin for Queen Sara. Unfortunately, Lady Elaine's team of "vacuum sweepers" comes through and accidentally sweeps the napkin away, causing a bit of chaos.