Gordon and Bullock are hot on a serial killer who has been assassinating cops and dressing his victims in the severed heads of pigs as his signature mark. Meanwhile, Sofia tries to win over Penguin, and Thompkins, Nygma and Grundy find themselves an unlikely home at Cherry's place in the all-new "A Dark Knight: Hog Day Afternoon" episode of GOTHAM airing Thursday, Oct. 26 (8:00-9:01 PM ET/PT) on FOX. (GTH-406) (TV-14 L, V)

Cast: Ben McKenzie as Detective James Gordon, Donal Logue as Harvey Bullock, David Mazouz as Bruce Wayne, Morena Baccarin as Leslie Thompkins, Sean Pertwee as Alfred, Robin Lord Taylor as The Penguin, Erin Richards as Barbara Kean, Camren Bicondova as Selina Kyle/the future Catwoman, Cory Michael Smith as Edward Nygma/the Riddler, Jessica Lucas as Tabitha Galavan, Chris Chalk as Lucius Fox, Drew Powell as Butch Gilzean/Solomon Grundy, Alexander Siddig as Ra's Ah Ghul, Crystal Reed as Sofia Falcone

Guest Cast: Anthony Carrigan as Zsasz, Michael Cerveris as Professor Pyg, Maria Benedict as Cherry, Will Janowitz as Wally Clarke