Fox has released the episode description for the 18th episode of Gotham season 3. The title of the episode is “Light The Wick”.
In this episode of Gotham, Leslie Hendrix guest stars as Kathryn, Camila Perez guest stars as Firefly, Raymond J. Barry guest stars as Temple Shaman and D Wong guest stars as Professor Hugo Strange
Gordon discovers the weapon the Court of Owls will use to destroy Gotham, which leads him on a dangerous path as he tracks it down. Meanwhile, Kathryn (guest star Leslie Hendrix) and Temple Shaman (guest star Raymond J. Barry) reveal their next move to Bruce, and Ivy comes to Selina’s aid.
Gotham Season 3 Episode 18 airs on May 15 at 8|7c on Fox.