DEBUT 1987

Professor D. Rabbit appeared on Sesame Street during seasons 19 and 20, often discussing various topics of interest. In one appearance, Episode 2398, he states he's 98 years old.

In Episode 2407 he appears in a segment with The Amazing Mumford in the courtyard. He agrees to be the rabbit that Mumford finally pulls out of a hat on one condition: he wants to pull Mumford out of the hat afterward.

Professor D. Rabbit appears again in a later episode to teach Big Bird how to be a good listener.

Years later, the puppet was used as an unnamed rabbit (performed by Martin P. Robinson) in a season 38 episode, anxious to have his electric teapot fixed at the Fix-It Shop before his tea party. The puppet later made various background appearances on Plaza Sésamo during season 11.