A new vigilante is in a town with a curious form of punishments. Find out how with the Gotham season 1, episode 3, “The Balloonman” stills and synopsis.

This week on Gotham, Gordon will continue to work with Selina. She wants out of the system and he wants her help finding evidence in the Wayne murders.

That’s not all that Gordon will have to worry about. Someone will start taking matters into their own hands and target the corrupt cops. But the vigilante has a unique way of handing out punishments.

Meanwhile, Montoya and Allen want to know where their informant Oswald is. And they’re not afraid to go after Mooney to find out what happened. Montoya also has another mission, to get Barbara away from Gordon.

The synopsis for Gotham season 1, episode 3, “The Balloonman,” is:

“Detectives Gordon and Bullock track down a vigilante who is killing corrupt Gotham citizens by attaching them to weather balloons. Meanwhile, Oswald Cobblepot returns to Gotham and gets a new job close to an important figure in the underworld in the all-new “The Balloonman” episode of GOTHAM airing Monday, Oct. 6 (8:00-9:00 PM ET/PT) on FOX.”

Guests staring in the episode are: Dan Bakkedahl as Davis Lamond, James Colby as Lt. Bill Cranston, David Zayas as Maroni, Jack Koenig as Arnold Danzer and Clark Middleton as Gerrick.

To get a look at the episode, watch the promotional video below:

What do you think will happen on ‘Gotham’ season 1, episode 3, ‘The Balloonman’?