"The Wail Of The Siren"
Siren visits Commissioner Gordon and uses her voice to put him under her control. She orders him to find for her the secret identities of Batman and Robin by hiding in the Batmobile trunk. But Alfred finds him wandering around the Batcave, and puts him out with some Bat-sleep. Siren then gets control of Bruce and forces him to sign the Wayne fortune over to her, and Robin and Batgirl must stop her on their own.
The debut of the Batgirl theme song!