Gotham Season 3 Episode 9: The Executioner Sneak Preview

In tonight's episode of Gotham, Captain Barnes began to go mad, Nygma's relationship with Isabella got even more complicated, and Carmine Falcone threw Lee and Mario an engagement party. Next Monday, Ivy Pepper gets herself in a deadly bind and calls on her old pal Selina Kyle and Bruce Wayne for help. Check out a sneak preview for "The Executioner" in the video above. You can also read its official synopsis directly below and check preview images in our gallery.

Gordon and Bullock become suspicious of Barnes, and comb through evidence of the murder at Lee and Mario's engagement party. Nygma goes to Penguin when he hasn't heard from Isabella (guest star Chelsea Spack). Meanwhile, Ivy reveals her identity to Selina and Bruce, but quickly leads them to trouble.

The regular cast features 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 Oswald Cobblepot/The Penguin, Erin Richards as Barbara Kean, Camren Bicondova as Selina Kyle/the future Catwoman, Cory Michael Smith as Edward Nygma/the future Riddler, Jessica Lucas as Tabitha Galavan, Chris Chalk as Lucius Fox, Drew Powell as Butch Gilzean, Maggie Geha as the future Poison Ivy, Michael Chiklis as Detective Nathaniel Barnes, and Benedict Samuel as Mad Hatter.

The guest cast includes James Carpinello as Mario Calvi, Chelsea Spack as Isabella, Jeremy Crutchley as Anton, and Costa Ronin as Luka Volk.

Gotham is based upon DC characters and is produced by Warner Bros. Television. Bruno Heller (The Mentalist, Rome), Danny Cannon (the CSI franchise, Nikita), John Stephens (Gossip Girl) and Ken Woodruff (The Mentalist) serve as executive producers on the series.

The all-new "Mad City: The Executioner" episode of Gotham will air Monday, November 14 at 8:00-9:01 PM ET/PT) on FOX.