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"Kristen Wiig is to appear on The Simpsons later this year. The Bridesmaids actress will provide her voice in an episode expected to air on Fox in the autumn, reports Entertainment Weekly.   &amp;#039;Homerland&amp;#039; will see Homer become suddenly and bizarrely polite after coming home from a nuclear power plant convention. A suspicious Lisa asks an FBI agent (Wiig) to help discover why this has occurred. Wiig previously appeared in The Simpsons as a substitute music teacher who was the object of desire for Principal Skinner. Stan Lee and Aaron Sorkin have also signed up for guest appearances in the upcoming 25th season. Kristen Wiig made her hosting debut on SNL on May 11, nearly a year after she exited the NBC series as a castmember. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/the-simpsons/news/a481829/kristen-wiig-to-guest-as-fbi-agent-in-the-simpsons/>