The synopsis of episode 20 of “Gotham” season 2, “Unleashed”, was posted on SpoilerTV, and you can read it below (beware of spoilers!):
Michelle Veintimilla Reprises her Role as Firefly/Bridgit
Azrael is on the loose in Gotham City, which sparks Penguin’s need for revenge. Meanwhile, Bruce enlists the help of Selina Kyle to help track down Professor Strange, as he evades arrest for his experiments in the all-new “Wrath of the Villains: Unleashed” episode of GOTHAM airing Monday, May 9 (8:00-9:00 PM ET/PT) on FOX. (GTH-220) (TV-14; D, L, V) CC-AD-HDTV 720p-Dolby Digital 5.1
Cast: Ben McKenzie as Detective James Gordon, Donal Logue as Harvey Bullock, Morena Baccarin as Leslie Thompkins, Michael Chiklis as Detective Nathaniel Barnes, Sean Pertwee as Alfred, Robin Lord Taylor as Oswald Cobblepot/The Penguin, Erin Richards as Barbara Kean, David Mazouz as Bruce Wayne, Camren Bicondova as Selina Kyle/the future Catwoman, Cory Michael Smith as Edward Nygma/the future Riddler, James Frain as Theo Galavan, Jessica Lucas as Tabitha Galavan, Chris Chalk as Lucius Fox, Nicholas D’Agosto as Harvey Dent, Drew Powell as Butch Gillian
Guest Cast: BD Wong as Hugo Strange, Tonya Pinkins as Ethel Peabody, Michelle Veintimilla as Firefly/Bridgit
Many thanks to moviefanatic101 for the link!
Edit: HQ stills from the episode have also been added to the gallery!
Link to the gallery:
Episode Stills > Season 2 > 2×20 – Unleashed