Uncle Grandpa Season 2 Episode 18 Watermelon Gag ( Air Date 2015-08-13 ) Genre Comedy, Animation, Sci-Fi & Fantasy, Family category. Overview "When Uncle Grandpa gets a watermelon stuck in his mouth, he is unable to ask for help and people interpret it as a comedy routine. As Uncle Grandpa's popularity rises, his friendships and morale suffer.".
Uncle Grandpa Season 2 Episode 18 Watermelon Gag
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- Watch: Uncle Grandpa Season 2 Episode 18 Watermelon Gag on CWR-CRB
- Stars: Peter Browngardt, Eric Bauza, Kevin Michael Richardson, Adam Devine
- Director: Mark Bodnar
