Unless Grodd somehow finds his way back to Earth-1 and finds its version of Gorilla City, it seems likely that the two-episode mini-arc will take place on Earth-2.

It's that time again. Gorilla Grodd returns to The Flash, but this isn't just another Flash vs. Grodd battle.

Gorilla Grodd poses both a powerful physical threat and a dangerous psychic one. Created by John Broome and Carmine Infantino, Grodd first appeared in 1959, facing the Flash with his telepathic ...

13. Grodd Friended Me - Barry conducts an experiment that goes awry and puts him directly in Gorilla Grodd's path, but is surprised when Grodd asks for his help against another villain - Solovar ...

7. Gorilla Warfare - Barry's team races to rescue Caitlin when gorilla Grodd abducts her, Cisco plans a date with the new barista at Jitters, and Patty knows that Barry is hiding something. More info ...

His backstory: He was severely injured following an attack by Gorilla Grodd and left paralyzed. He wanted then-Flash Wally West to travel back in time to stop the injury from happening ...