Cold Sore is the third episode of The Simpsons' fifteenth season, first broadcast on November 16, 2003.

The Episode was written by Ludwig Bemelmans and Michael Jeter, based on the Story Idea by Dana Gould, Nathan Lane and Mel Brooks, directed by Mike B. Anderson and guest animated and directed by Akiyoshi Hongo, Glen Keane, Ron Clements, D.B. Sweeney and Eric Goldberg.


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