In the episode, Jerome Valeska, Jervis Tetch, Jonathan Crane and 80 inmates escape from Arkham Asylum to wreak havoc on Gotham.
When Gordon (Ben McKenzie) and Bullock (Donal Logue) investigate the escape, they receive a call from Tetch, telling them to meet him at an address.
Meanwhile, Barbara (Erin Richards) experiences a flashback to the time when Ra's al Ghul (Alexander Siddig) resurrected her, where he sees her as his true heir to the Demon's Head.
[1] In March 2018, it was announced that the sixteenth episode of the season would be titled "One of My Three Soups" and was to be written by Charlie Huston and directed by Ben McKenzie.
[2] Morena Baccarin, Sean Pertwee, Robin Lord Taylor, Cory Michael Smith, Chris Chalk, Drew Powell and Crystal Reed don't appear in the episode as their respective characters.
In March 2018, it was announced that the guest cast for the episode would include David W. Thompson as Jonathan Crane, Benedict Samuel as Jervis Tetch, Cameron Monaghan as Jerome Valeska, Kelcy Griffin as Detective Harper, John Treacy Egan as Zachary Trumble and Shiva Kalaiselvan as Lelia.
[4] With these ratings, Gotham ranked first for Fox, beating Showtime at the Apollo, fourth on its timeslot, and twelfth for the night, behind Scandal, S.W.A.T., Superstore, Will & Grace, Chicago Fire, Life in Pieces, Station 19, Mom, Grey's Anatomy, Young Sheldon, and The Big Bang Theory.