Tonight on Gotham season 2, episode 2, “Knock, Knock,” the Maniax are free from Arkham and ready to take over the city!

Last week fans saw Gotham reboot itself with a new, more serialized version of story telling. It’s also moved on from the time of the gangs and onto more villains. The show caught up with Penguin who has taken over from the former mob boss. And Selina, who has is working with him for the time being.

Barbara Kean, Jerome Valeska, Richard Sionis, Arnold Dobkins, Aaron Helzinger, and Robert Greenwood were broken out of jail by Tabitha Galavan. Along with her brother, Theo, they plan to use the team of Arkham escapees to bring terror upon the city. This week, fans will see just what the the Maniax are capable of.

Related: Gotham season 2 premiere review: Back, and darker than ever before

The synopsis for ‘Gotham’ season 2, episode 2, ‘Knock, Knock’ is:

“Following his reinstatement, Gordon is thrust onto the high-profile case tracking the deadly inmate escape from Arkham Asylum. Meanwhile, Galavan plans his next move, while Bruce enlists the help of his father’s old friend to unlock the secrets in his office, and Nygma attempts to ask out Kristin Kringle (guest star Chelsea Spack) on a date in the all-new ‘Rise of the Villains: Knock, Knock’ episode of ‘Gotham’ airing Monday, Sept. 28 (8:00-9:00 PM ET/PT) on FOX.”

The stills from ‘Gotham’ season 2, episode 2, ‘Knock, Knock’ show Gordon back at the GCPD:

Preview the episode below:

‘Gotham’ season 2, episode 2, ‘Knock, Knock,’ airs tonight at 8 pm E.T. on Fox!