- Script:
- John Broome
- Pencils:
- Carmine Infantino
- Inks:
- Joe Giella
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Gorilla Grodd; The Top; Captain Boomerang; Heat Wave; Pied Piper; Captain Cold; Mirror Master [Sam Scudder]; Flash [Barry Allen]; J.M. Leach (tailor); Solovar; Pola
- Synopsis:
- Gorilla Grodd uses his powers to switch bodies with a gorilla in the Central City zoo and from there he uses Flash's greatest foes to battle Flash until he can take control of Barry Allen's mind.
- Reprinted:
- in DC 100-Page Super Spectacular (DC, 1971 series) #DC-11
- in Flash, The (DC, 1959 series) #214 (April 1972)
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.