Gnasher gets sent to Dog Obedience School after he inexplicably gnashes Mrs Creecher's saxophone. When a Screwtop invention gives Dennis the ability to understand animals, he's convinced the "Chatterbox" is Gnasher's key to freedom. But ...See moreGnasher gets sent to Dog Obedience School after he inexplicably gnashes Mrs Creecher's saxophone. When a Screwtop invention gives Dennis the ability to understand animals, he's convinced the "Chatterbox" is Gnasher's key to freedom. But all the talkative animals of Beanotown interrupt Dennis' mission to speak to Gnasher and find out the truth.
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