Ivy (Maggie Geha) visits Tabitha (Jessica Lucas) to ask for Selina (Camren Bicondova), discovering she is in hospital.
Having received information on Kathryn's identity from Bullock, Gordon sets off to her residence to hopefully learn more about the weapon/threat, but almost immediately is met by Cobblepot (Robin Lord Taylor) and Bridgit (Camila Perez) who demand information regarding Nygma's (Cory Michael Smith) location, although Gordon negates his knowledge.
Arriving at the Wayne Enterprises lab the key-card accesses, Gordon and Bullock are attacked by a man infected with the virus.
Gordon meets with Kathryn at a reunion of socialites where the plan is to place a dispersal bomb loaded with the virus.
In April 2017, it was announced that the eighteenth episode of the season will be titled "Light the Wick" and was to be written by Tze Chun and directed by Mark Tonderai.
In April 2017, it was announced that the guest cast for the episode would include Leslie Hendrix as Kathryn, Camila Perez as Bridgit Pike/Firefly, Raymond J. Barry as the Shaman, and B. D. Wong as Hugo Strange.
[5] Matt Fowler of IGN gave the episode an "okay" 6.6 out of 10 and wrote in his verdict, "The return of Barnes and Hugo Strange provided some highlights in a rather harried chapter that rushed us through Jim's time as a man trying to thwart the Court from within.
"[7] Amanda Bell of EW gave the episode a "B" and wrote, "Two pieces of the puzzle are quickly coming together for the Court of Owls' plan to devastate Gotham, but there's one wild card they seemingly were not expecting: the return of Oswald Cobblepot from his watery grave.
"[9] Robert Yanis, Jr. of Screenrant wrote, "Gotham wisely delegates much of the focus on the aforementioned Court of Owls, which actually gets more screen time here than perhaps it ever has in a single episode.
"[10] Kayti Burt of Den of Geek gave the show a 3.5 star rating out of 5 and wrote, "Bringing in the Court of Owls has been a strike of genius for Gotham this season.
"[11] Megan Vick of TV Guide wrote, "After many tense episodes of separation, Gotham put Penguin and Nygma back together again -- at least physically.