A Dark Knight: The Sinking Ship, The Grand Applause - S4-E15
Continuity mistake: Bruce begins to turn to face Selena twice as she speaks to him about searching for a fenced item she needs back.

Starring: Sean Pertwee, Ben McKenzie, Donal Logue, David Mazouz, Camren Bicondova, Dean Morris, Jon Beavers
A Dark Knight: The Sinking Ship, The Grand Applause - S4-E15
Continuity mistake: Bruce begins to turn to face Selena twice as she speaks to him about searching for a fenced item she needs back.
A Dark Knight: Queen Takes Knight - S4-E11
Bruce Wayne: Alfred, you're fired.
Question: Trying to remember which episode had a literal 'black market' - crooks were pushing shopping carts down isles with signs indicating which contraband was stocked in which isle.
Answer: "The Merc" was a warehouse like store with aisles that sold mainly weapons, machetes, AK-47s, C-4, barrels of acid, etc. In s02e05, "Scarification", it was shown being raided by GCPD.
Bishop73