When does Polka Dot Door return?

Polka Dot Door is a Canadian children's television series which was produced by the Ontario Educational Communications Authority (later known as TVOntario) from 1971 to 1993. The series features two hosts who speak directly to the home viewing audience. One of the most well-known elements of the series was the "Polkaroo", a mythical character whose name combines the words "polka dot" and "kangaroo"