Issue: Superboy #85
Subtitle: Silent, but Deadly
Date: April 2001
Feature Characters: Superboy (Conner Kent), Batgirl (Cassandra Cain)
Supporting Characters: Robin (Timothy Drake)
Villains: Demonz, Doctor Sin
Guest Appearances: Oracle, Batman (Bruce Wayne)
Other Characters: Mickey Cannon, Serling Roquette,Dr. Rivera, Faith
Looking for someone to talk to Conner goes to Gotham city to pester Tim and ends up helping him in providing back-up for Batgirl who was up against a group of sodium-filled undead.
Finding a clue to their origins he and Batgirl go off to look into it without Robin, leading them into trouble.
"Don't you leap off a tall building while I'm making fun of your mentor! I...kids today."