S4·E14 Johnny's Big Dumb Sisters
Core
Aired November 26, 2009
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Synopsis
The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview.
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Frequently Asked Questions
When did Season 4 Episode 14 of Johnny Test air?
Season 4, Episode 14 ('Johnny's Big Dumb Sisters') originally aired on November 26, 2009.
How long is Season 4 Episode 14 ('Johnny's Big Dumb Sisters')?
The episode follows the standard broadcast runtime for Johnny Test.
What happens in Johnny Test Season 4 Episode 14?
The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview....
All Johnny Test episode ratings Season 4 Where to watch
Top-rated Johnny Test episodes
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