Marks the first appearance of Zeta, before getting his own spin-off series, and a crossover episode in the third season.
During the train station sequence, Central City (home of the Flash) and Dakota (home of Static and the bang babies), are mentioned over the loud speaker. This is the first reference to the Milestone Comics universe of characters which debuted in full the following season in Static Shock (2000).
Last episode to feature Stockard Channing as the voice of Barbara Gordon. Angie Harmon would take over the role in future appearances.