Gargantua is trained by Wonder Woman (Lynda Carter) imposter (Gretchen Corbett). It appears that Wonder Woman is doing battle with the gorilla Gargantua, but it turns out to be Erica Belgard (Gretchen Corbett) wearing a Wonder Woman disguise. She is actually a Nazi training Gargantua to fight Wonder Woman. Clip is from the season 1 episode of “Wonder Woman“ titled “Wonder Woman vs. Gargantua“.