On a research trip, Lisa is shocked to discover that Sideshow Bob is now the chief scientist at a massive chemical engineering company, but her fears are allayed as she becomes enamored with his likeminded appreciation of high-culture. Meanwhile, Marge's attempt to preach healthy sexual practices to a teen church group goes awry.
On a research trip, Lisa is shocked to discover that Sideshow Bob is now the chief scientist at a massive chemical engineering company, but her fears are allayed as she becomes enamored with his likeminded appreciation of high-culture. Meanwhile, Marge's attempt to preach healthy sexual practices to a teen church group goes awry.
Guest Cast
Cast Appearances

Dan Castellaneta
voices Homer Simpson
Julie Kavner
voices Marge Simpson
Nancy Cartwright
voices Bart Simpson
Yeardley Smith
voices Lisa Simpson
Dan Castellaneta
voices Sideshow Mel
Nancy Cartwright
voices Nelson Muntz
Nancy Cartwright
voices Todd Flanders
Hank Azaria
voices Chief Clancy WiggumEpisode Discussion
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