"Hell and Highwater!": The synopsis for this issue has not yet been written.
Harley Quinn #21 is an issue of the series Harley Quinn (Volume 1) with a cover date of August, 2002. It was published on June 19, 2002.
Synopsis for "Hell and Highwater!"
Appearing in "Hell and Highwater!"
- Doctor Light
- Gotham City Police Department
- Ulysses Highwater (First appearance) (Flashback and main story)
- Air Wave (Voice Only)
- This issue was originally scheduled for June 12, 2002, but was delayed.
- This issue is reprinted in Harley Quinn: Welcome to Metropolis.