Overview: Grug introduces his new invention to Ahhh! Valley: the spear.
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First Air Date: Dec 24, 2015Last Air date: Jul 07, 2017Season: 4 SeasonEpisode: 89 EpisodeRuntime: 23 minutesQuality: HDIMDb: 7.40 / 10 by 92 usersPopularity: 44.527Language: English