Fair rating?Johnny Test· Season 4 · Episode 14
Johnny's Big Dumb Sisters
The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview.
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#1In Season 4of 1 rated episodes
#1All-timeof 12 rated episodes
+0.0vs season avgSeason 4 averages 10.0
2009First airedNovember 26, 2009