Fair rating?South Park· Season 21 · Episode 8
Moss Piglets
Timmy and Jimmy's science project has caught the attention of some very important people who think it can save the world.
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#7In Season 21of 10 rated episodes
#319All-timeof 329 rated episodes
−0.3vs season avgSeason 21 averages 6.7
2017First airedNovember 15, 2017
Guest stars
Trey Parkeras Butters Stotch (voice)Trey Parkeras Mr. Mackey (voice)Trey Parkeras Clyde Donovan (voice)
April Stewartas Wendy Testaberger (voice)Trey Parkeras Jimmy Valmer (voice)Trey Parkeras PC Principal (voice)Trey Parkeras Timmy Burch (voice)
Jessica Makinsonas Heidi Turner (voice)Trey Parkeras Nathan (voice)Laylo Incognegroas Nichole Daniels (voice)
Trey Parkeras Mimsy (voice)