Follow UsStay up to date by following us on Twitter.

Sneak Peek — Gotham Tonight: Harvey Bullock Rallies the Force to Go After Azrael

Azrael is still on the loose in 'Gotham'

Azrael — ‘a monster in a Halloween costume and a cape’ — killed four cops and wounded Gotham Police Captain Nathaniel Barnes in last week’s episode.

With their leader gone, it’s up to Detective Harvey Bullock to boost the force’s morale.

Watch the sneak peek below.

Gotham airs Mondays at 9pm EST on ABC.SuperFable