Episode Rankings
- #1 Fan Favorite
6.1/10(30 votes)S4:E8Director:UnknownWriter:David GemmillBe the first to start the conversation for this episode
Director:UnknownWriter:David Gemmill
The 20 BEST Episodes of Uncle Grandpa
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Every episode of Uncle Grandpa Season 4 ranked from best to worst. Discover the Best Episodes of Uncle Grandpa Season 4!

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"Uncle Melvins" is the best rated episode of Uncle Grandpa season 4. It scored 7.1/10 from 45 votes. Directed by Unknown and written by Myke Chilian, Nick Edwards, it aired on August 4, 2016. This episode is rated 0.3 points higher than the second-best, "Jerky Jasper".