Mister Rogers' Neighborhood Season 3 Episode 26 Episode 26 1970
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Rogers shows models of a bicycle and a tricycle. Along the way, he introduces the prefixes "bi" and "tri" to compare what each one means. In the Neighborhood of Make-Believe, Bob Dog fears moving wheels.
- Released: 1970-03-09
- Runtime: 30 minutes
- Genre: Kids
- Stars: Fred Rogers, Betty Aberlin, David Newell, Joe Negri
- Director: Michael Moricz, Fred Rogers
