Gotham Girls - Season 3 - Eps 8: No, I'm Batgirl!
Detective Montoya is arguing with Commissioner Gordon when the call comes in that Batgirl has been spotted on the North Side. As they head off, Batgirl is sighted on the West Side. Then the South Side. Each of these “Batgirls” is unmasked, revealing them to be Harley, Ivy and Catwoman. Under cover of this diversion, Barbara Gordon slips into the unmanned Police Headquarters and steals the key to the Dangerous Evidence Vault from her father’s drawer. As she slips the key into the Vault she is surprised by Detective Reesdale.
About Gotham Girls

Title: Gotham Girls
First Air Date: 2000-07-27
Last Air Date: 2002-11-19
Status: Ended
Rating: 6.4/10 (from 18 votes)
Language: EN
Seasons: 4
Total Episodes: 31
Network: Unknown
Genres: Drama, Animation, Comedy, Action & Adventure, Crime
Production Companies: Warner Bros. Animation, Noodle Soup Productions, DC
Synopsis
A Flash animation series staring Harley Quinn, Poison Ivy, Batgirl, Catwoman and Zatanna in short stories about the daily lives of the characters.
Cast

Arleen Sorkin
Harley Quinn / Dr. Harleen Quinzel (voice)

Diane Pershing
Poison Ivy / Dr. Pamela Isley (voice)

Tara Strong
Batgirl / Barbara Gordon (voice)

Adrienne Barbeau
Catwoman / Selina Kyle / Renée Montoya (voice)