Nygma and Fish Mooney may be the two most important factors in the finale of
Nygma and Fish Mooney may be the two most important factors in the finale of Facebook/Gotham

"Wrath of the Villains" in "Gotham" Season 2 is going spectacularly well, and most of it is thanks to Dr Strange (BD Wong), who has successfully brought back many dead supervillains to life, including fan-favourite Fish Mooney (Jada Pinkett-Smith). In the upcoming Season 2 episode 21 "A Legion of Horribles," Bruce (David Mazouz) and his friends will go to Indian Hill and try to save Gotham.

As fans know, Dr Strange's experiment on Theo Galavan (James Frain) was successful, but he had no recollection of who he was when he came back to life. Fish, on the other hand, seemed to know exactly who she was, and was not ready to take orders from anyone.

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There are many other that have been re-animated by Strange, and fans can hope for an epic finale. In the upcoming episode, Bruce, Jim (Ben McKenzie), Alfred (Sean Pertwee), Lucius (Chris Chalk) and Cat (Bicondova) will reunite with their criminal friends Penguin (Robin Lord Taylor) and Butch (Drew Powell) to take down Dr Strange and his army of villains.

Meanwhile, Fish's return is said to be pivotal for the Season 2 finale, much like Nygma's (Cory Michael Smith) presence is important for the events that will go down at Arkhum Asylum. While Fish is adamant about coming out on top, Nygma refuses to give up on any puzzle. With the both of them playing the group of heroes, "Transference" will be a finale worth marking on your calenders.

Ahead of that, don't forget to watch Season 3 episode 20 of "Gotham" at 8 p.m. (EST) on Monday, March 28. You can also live-stream "A Legion of Horribles" via Fox Now.