Tricia O'Kelley as Mrs. Welsh
Episodes 2
Dewey's Special Class
May 2, 2004
• 22m
5x18
Malcolm convinces Dewey to do poorly on an I.Q. test, so that he won't become a ridiculed Krelboyne student. But Dewey does so badly that he is placed in a class for the emotionally disturbed. Hal and Craig compete in a dance competition.
Read MoreBuseys Run Away
November 14, 2004
• 22m
6x2
The Buseys disappear after Dewey leaves the special-needs class; Hal becomes the leader of a group of brainless bodybuilders.
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