Jesse Eisenberg showed “Sasquatch Sunset ”to a monkey and it tried to punch his character's face

Talk about a bad review.

Sasquatch Sunset may be a hit with humans, but Jesse Eisenberg's new film didn't go over so well with the world's smartest monkey.

The actor, who plays a member of a bigfoot family in the movie, revealed on Friday's episode of The Tonight Show that when he showed it to a Bonobo monkey, the viewer had a pretty strong reaction to his character in particular. 

“The smartest nonhuman animal is the Bonobo monkey at this ape initiative in Des Moines, Iowa, named Kanzi,” Eisenberg told host Jimmy Fallon. “And Kanzi watched the movie.”

<p>Jason Mendez/WireImage; Bleecker Street Media /Courtesy Everett Collection</p> Jesse Eisenberg; his bigfoot self in 'Sasquatch Sunset'

Jason Mendez/WireImage; Bleecker Street Media /Courtesy Everett Collection

Jesse Eisenberg; his bigfoot self in 'Sasquatch Sunset'

Just like a human might do, Kanzi built a little nest around where the TV was before settling down to watch. He “seemingly loved this movie,” Eisenberg recalled — at least, at first.

Fallon then revealed an image of Kanzi sitting with his arms crossed in front of the television set, staring at Eisenberg’s bigfoot self on screen.

“Kind of seems not impressed, to be honest,” the host remarked.

“Well, casually, about two seconds after this beautiful shot was taken, casually, Kanzi just slammed his fist into the screen at my face,” Eisenberg replied. “[It was] like, behind three inches of Plexiglass because these bonobo monkeys are like five times as strong as we are, and so [he] was really angry. You know, I like to think competitive.” 

“Maybe he was taken by the realism?” Fallon suggested.

“Maybe that,” Eisenberg agreed, “and I think he just really likes dominating any creature [that] he can’t figure out what it is.”

Eisenberg and his costar Riley Keough recently told Entertainment Weekly that they underwent “sasquatch boot camp” in order to get in touch with their inner bigfoot for the film.

“Everything was super helpful because I didn’t know how to even prepare for this,” Keough said. “We kind of had to learn how to do everything as a sasquatch. So, by the time we got to set, we knew how to pick things up properly, or how to get from sitting to standing. We had practiced all of that.”

“We came up with a vocabulary that we would use,” Eisenberg added. “Calling out for other sasquatches was a high-pitched squeak, while anger or eating had a different kind of vocal quality.”

Sasquatch Sunset is playing in limited theaters now before expanding nationwide on April 19. Watch Eisenberg discuss the film in the clip above.

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