Birds of Prey (2002)

S1E10 Gladiatrix

In New Gotham, a string of disappearances involving young metahuman women catches Helena's attention. Her search reveals a hidden underground club where the kidnapped women are sedated and made to battle one another in a brutal arena. When Helena herself becomes a victim of the abduction, Dinah must step in to save her friend and confront the sinister operation behind the fights.