Gotham 4x21 A Dark Knight: One Bad Day Season 4 Season 0 0 EpisodesSeason 1 22 EpisodesSeason 2 22 EpisodesSeason 3 22 EpisodesSeason 4 22 EpisodesSeason 5 12 Episodes 4x1 - A Dark Knight: Pax Penguina 4x2 - A Dark Knight: The Fear Reaper 4x3 - A Dark Knight: They Who Hide Behind Masks 4x4 - A Dark Knight: The Demon's Head 4x5 - A Dark Knight: The Blade's Path 4x6 - A Dark Knight: Hog Day Afternoon 4x7 - A Dark Knight: A Day in the Narrows 4x8 - A Dark Knight: Stop Hitting Yourself 4x9 - A Dark Knight: Let Them Eat Pie 4x10 - A Dark Knight: Things That Go Boom 4x11 - A Dark Knight: Queen Takes Knight 4x12 - A Dark Knight: Pieces of a Broken Mirror 4x13 - A Dark Knight: A Beautiful Darkness 4x14 - A Dark Knight: Reunion 4x15 - A Dark Knight: The Sinking Ship The Grand Applause 4x16 - A Dark Knight: One of My Three Soups 4x17 - A Dark Knight: Mandatory Brunch Meeting 4x18 - A Dark Knight: That's Entertainment 4x19 - A Dark Knight: To Our Deaths and Beyond 4x20 - A Dark Knight: That Old Corpse 4x21 - A Dark Knight: One Bad Day 4x22 - A Dark Knight: No Man's Land As Gotham falls into complete anarchy, a team of unlikely heroes step up to save it. Bullock takes the lead at the GCPD and Bruce's psychological limits are tested as those close to him are put in danger.
