Here’s the synopsis for episode 13 of “Gotham” season 3 (beware of spoilers!):

DARKNESS PREVAILS ON AN ALL-NEW “GOTHAM” MONDAY, JANUARY 23, ON FOX

On the run from Gordon and Bullock, Dwight (guest star David Dastmalchian) tries to revive Jerome (guest star Cameron Monaghan) and, in turn, activates his acolytes around Gotham City. Meanwhile, Selina’s mom’s (guest star Ivana Milicevic) intentions in Gotham are revealed, and the power play between Penguin and Nygma escalates as Barbara’s plans are set in place in the all-new “Mad City: Smile Like You Mean It” episode of GOTHAM airing Monday, Jan. 23 (8:00-9:01 PM ET/PT) on FOX. (GTH-313) (TV-14 D, 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 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, Benedict Samuel as Mad Hatter

Guest Cast: Ivana Milicevic as Maria Kyle, Cameron Monaghan as Jerome Valeska, David Dastmalchian as Dwight Pollard, PJ Marshall as Cole Clemons, James Andrew O’Connor as Tommy Bones, James Mount as Office Dove

Source: TheFutonCritic.com