After a mission to stop Drakken from using a top secret machine, Ron suddenly begins exhibiting profound knowledge and intelligence in his algebra writing. When he is kidnapped by Drakken and forced to construct a doomsday device, however, Kim and the subtly-changed Rufus must save him.

Shego takes Senor Senior Jr. as a protege in evil while Kim takes a lesson in the evils of Home Economics. When the villainous duo goes after Granny's cookie recipe, they learn not to mess with Texas … and a certain cheerleader.