Chalkboard couch gag

The Chalkboard couch gag is the seventeenth couch gag of Season 9.
==Plot==
The Simpson family find themselves in Mrs. Krabappel’s classroom where Bart is writing the blackboard punishment phrase, “I Will Not Mess with the Opening Credits”.
==Character Appearances==
*Homer Simpson
*Marge Simpson
*Bart Simpson
*Lisa Simpson
*Maggie Simpson
==Appearances==
*
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Category:Season 9 couch gags
Category:Couch Gags
Category:Gags
Category:Season 9 gags
Category:Re-used couch gags
Category:Re-used Season 9 couch gags