The episode was written by co-executive producers Steven Lilien & Bryan Wynbrandt on his writing debut and directed by Louis Shaw Milito.
Meanwhile, Barbara, Tabitha and Selina set to find a way to settle their debt to Cobblepot while Lee and Nygma face problems on their first days as rulers of the fight club.
Gordon (Ben McKenzie) and Fox (Chris Chalk) check the X-rays for Pyg, discovering that due to his many facial surgeries, his real identity cannot be tracked.
Fox tells Gordon that DNA tests showed that Pyg's real identity is Lazlo Valentin, a serial killer in the South.
In November 2017, it was announced that the tenth episode of the season would be titled "Things That Go Boom" and was to be written by co-executive producers Steven Lilien & Bryan Wynbrandt and directed by Louis Shaw Milito.
[1] Donal Logue, David Mazouz, Sean Pertwee, and Alexander Siddig don't appear in the episode as their respective characters.
In November 2017, it was announced that the guest cast for the episode would include Michael Cerveris as Professor Pyg, Anthony Carrigan as Victor Zsasz, Stu Large Riley as Sampson, and Christopher Convery as Martin.
The Big Bad escapes, the criminal underground goes to war, and Jim must try to balance his need for law and order with the necessity of pairing up with the likes of Penguin.
"[5] Vinnie Mancuso of Collider wrote, "Compared to the absolute batfuck insanity that was the episodes preceding it, tonight's Gotham — titled 'Things That Go Boom' — was a bit boring.
Keep in mind, this is a wonky scale I'm grading on; with Gotham, 'boring' just means the writers got through a whole hour without, like, having a hot air balloon full of nuns plunge into a wood-chipper.
"[7] Marc Buxton of Den of Geek gave wrote, "It says a lot about Gotham that I more or less believed the show when it appeared to have its fan favourite character murder a small, adorable child he claims to love.
We viewers were given an entire commercial break to stew in that plot development and decide how we might feel about Oswald blowing up Martin in an effort to demonstrate just how serious he is about controlling the Gotham underworld.