New ‘Gotham’ Trailer FINALLY Reveals Jeremiah’s The Joker – Surprise? (Video)

Witness his “final act of insanity” Feb. 21

“Gotham” dropped a new trailer for the Fox drama’s Feb. 21 episode on Friday, revealing that (spoiler alert?) Cameron Monaghan’s Jeremiah Valeska is for sure The Joker. Yes, you’re shocked, we know.

Here’s the official description for next Thursday’s installment in the final season of the Batman prequel series, titled “Ace Chemicals,” which will feature Jeremiah’s “birth” into the famous villain who definitely no one already suspected he was:

Gordon races to uncover the criminal element threatening to end talks of Gotham’s reunification with the mainland. A very-much-alive Jeremiah (guest star Cameron Monaghan) returns and organizes a twisted recreation of the murder of Bruce’s parents, with the help of Jervis Tetch aka Mad Hatter (guest star Benedict Samuel) in the all-new “Ace Chemicals” episode of GOTHAM airing Thursday, Feb. 21 (8:00-9:00 PM ET/PT) on FOX.

The cast for the episode includes Ben McKenzie as Det. James Gordon, Donal Logue as Det. Harvey Bullock, Morena Baccarin as Dr. Leslie Thompkins, Sean Pertwee as Alfred Pennyworth, Robin Lord Taylor as Oswald Cobblepot/The Penguin, Erin Richards as Barbara Kean, David Mazouz as Bruce Wayne, Camren Bicondova as Selina Kyle/the future Catwoman, Cory Michael Smith as Edward Nygma/The Riddler, Chris Chalk as Lucius Fox

Monaghan will guest star as Jeremiah Valeska, Samuel as Jervis Tetch/Mad Hatter, and Francesca Root-Dodson as Ecco.

Watch the Feb. 21 episode trailer above.

“Gotham” airs Thursdays at 8/7c on Fox.