Overview: Tank Triceratops , who has 3 horns, wonders why Mayor Kosmoceratops has 15, and Protoceratops has only 1. The kids go on a quest to track down Ceratopsians with horns.
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First Air Date: Sep 07, 2009Last Air date: Nov 18, 2019Season: 5 SeasonEpisode: 200 EpisodeRuntime: 11 minutesQuality: HDIMDb: 6.17 / 10 by 35 usersPopularity: 88.242Language: English