He got away! An invisibile criminal at large in Gotham City! 
- — Batman
Detective Comics #138 is an issue of the series Detective Comics (Volume 1) with a cover date of August, 1948.
Synopsis for Batman: "The Invisible Crimes"
The Joker kidnaps Dr. Walter Timmins, the inventor of an invisibility serum and he uses the chemical to commit crimes. Joker becomes invisible, allowing him to outsmart the Dynamic Duo, but when Batman uses some of the serum himself, he is able to capture the Joker thanks to the criminal's inability to stop boasting, giving away his location to Batman.
Appearing in Batman: "The Invisible Crimes"
Featured Characters:
Supporting Characters:
- Walter Timmins (Single appearance)
Antagonists:
Other Characters:
- Gotham City Police Department
- Monty Laird (Single appearance)
- Stacy (Single appearance)
- Morse (Single appearance)
Locations:
- Gotham City
- Joker's Hideout
- Second Bank
- GCPD Headquarters
- Laird Ball Park
- Radio Shop
Items:
Vehicles:
Synopsis for Robotman: "The Inside Story of Robotman"
In the middle of stopping a crime at a construction site, Robotman is broken apart. When trying to put him back together again, blueprints are discovered to repair our destroyed hero. A flashback to the origins of Robotman is presented, alongside the criminal mishap that led up to Robotman's spare blueprints being in his leg. Once he's put back together, Robotman goes after the criminal gang that dismatled him, and brings them to justice.
Appearing in Robotman: "The Inside Story of Robotman"
Featured Characters:
- Robotman (as Paul Dennis)
Supporting Characters:
Antagonists:
- Dirk McGurk (Single appearance)
Other Characters:
- Unnamed Scientist (Single appearance)
Locations:
Items:
- None
Vehicles:
- None
Synopsis for Slam Bradley: "Shorty Meets the Champ"
Appearing in Slam Bradley: "Shorty Meets the Champ"
Featured Characters:
Supporting Characters:
Antagonists:
- "Three Rounds" Bysepps (Single appearance)
Other Characters:
Locations:
- Unknown
Items:
- None
Vehicles:
- None
Synopsis for Boy Commandos: "The Mystery of the Mary Celeste II"
Appearing in Boy Commandos: "The Mystery of the Mary Celeste II"
Featured Characters:
Supporting Characters:
Antagonists:
- Unnamed Criminals (Single appearance)
Other Characters:
Locations:
- Unknown
Items:
- None
Vehicles:
- The Mary Celeste II (a boat)
Notes
- "The Invisible Crimes" is reprinted in Batman Archives Vol 7.
- "The Inside Story of Robotman" is reprinted in World's Finest #208.
- The Robotman series continues from Star-Spangled Comics.
See Also
Links and References
Look at how sad this is making Batman. You did this.
