Question: What episode features the character Wendy Testaburger of a show that aired on Comedy Central in August of 1997? 
Sentence (from "Cartman Gets an Anal Probe"): The episode introduces child protagonists Eric Cartman, Kyle Broflovski, Stan Marsh and Kenny McCormick, who attempt to rescue Kyle's younger brother Ike from being abducted by aliens.
Relevant evidence: No