![](https://image.tmdb.org/t/p/w185/oA2eLmOnH2gcrM6PSWwr6z4EQOt.jpg)
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WHAT IS WHAT goes on an exciting journey of discovery in the forest and describes the different animals, trees and plants that are at home there.
First Air Date : Oct 06, 2001
Last Air date : Jun 26, 2010
Episode : 52 Episode
Season : 2 Season
Runtime: 25:14 minutes
Studio:
Country: Germany
Crew: