- Script
- Gardner Fox (credited)
- Pencils
- Carmine Infantino (credited)
- Inks
- Sid Greene (credited)
- Colors
- ?
- Letters
- Gaspar Saladino
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Commissioner James Gordon; Batgirl [Barbara Gordon] (introduction, origin); Killer Moth (villain); Pupa; Larva; Alfred Pennyworth; Burton Talbot
- Synopsis
- While Barbara is on her way to a costume party dressed as Batgirl, she runs across Killer Moth attacking Bruce Wayne and joins the battle.
- Reprints
Story in two parts of 7.5 pages each.
- Script
- Frank Robbins (credited)
- Pencils
- Gil Kane (credited)
- Inks
- Murphy Anderson (credited)
- Colors
- ?
- Letters
- John Costanza
- Genre
- superhero
- Characters
- Batgirl [Barbara Gordon]; Jason Bard; Orchid Killer [Max Tournov (computer date); also John Milman "handsome mugger"]
- Synopsis
- Batgirl tries to track a killer who targets redheads.
- Reprints
The original first one and one-third pages removed for this reprint.