S4·E27 Johnny Grow Your Own Monster
Core
Aired May 10, 2010
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Synopsis
Johnny's mail order foam monster becomes a real monster once the twins swap the water with their bottle of "side effects".
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Frequently Asked Questions
When did Season 4 Episode 27 of Johnny Test air?
Season 4, Episode 27 ('Johnny Grow Your Own Monster') originally aired on May 10, 2010.
How long is Season 4 Episode 27 ('Johnny Grow Your Own Monster')?
The episode follows the standard broadcast runtime for Johnny Test.
What happens in Johnny Test Season 4 Episode 27?
Johnny's mail order foam monster becomes a real monster once the twins swap the water with their bottle of "side effects"....
All Johnny Test episode ratings Season 4 Where to watch
Top-rated Johnny Test episodes
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