"Nature of the Beast" is the ninth and midseason finale episode of Birds of Prey. It aired on November 27, 2002.
This episode is alternatively titled "The Nature of the Beast"[1].
When a legendary mob boss, Al Hawke, receives a death threat, the only person he trusts to protect him is his son--Reese. Reese asks Helena for help, but when she learns that Reese's father is the same man who killed Dinah's mother, Black Canary, Helena questions her loyalty.[src]