"Shriek" is the seventh episode of Batman Beyond. It depicts the birth of the villain Shriek. After failing to impress Derek Powers with his new sound suit, Walter Shreeve takes an assignment to kill Bruce Wayne, who is currently working to prevent Powers from decimating Crime Alley. However, after Batman prevents Bruce’s death and exposes him to the police, Shreeve goes crazy and becomes the villain Shriek. Meanwhile, Bruce is hospitalized so Terry must now stop this new villain on his own.