Overview: The gang, after much dissuasion from Metz and Gugenhiem, head to Prague to face the Professor head on at his castle.
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First Air Date: Jan 03, 2009Last Air date: Dec 11, 2011Season: 2 SeasonEpisode: 52 EpisodeRuntime: 23 minutesQuality: HDIMDb: 8.40 / 10 by 35 usersPopularity: 17.828Language: Italian