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See Chris Pratt get pranked by realistic robotic dinosaurs

An animatronic T-rex and Velociraptor scare "Jurassic World" actor Chris Pratt in an epic prank by YouTubers SA Wardega. Now we know who not to call when robotic dinosaurs attack.

We're just glad Chris Pratt didn't have a heart attack. Video screenshot by Bonnie Burton/CNET

You'd think that by now " Jurassic World" actor Chris Pratt would be used to having giant dinosaurs lunge at him from dark corridors. But after an epic prank by YouTubers SA Wardega, we kind of feel for the guy.

After all, it's one thing to be chased down by a prehistoric dinosaur when it's CGI and you're running in front of a green screen, and quite another experience to be sauntering down a normal hallway when all of a sudden two dinosaurs pop out of nowhere.

In this YouTube video posted by SA Wardega Tuesday, we see an innocent Pratt walking through a building only to be shocked by the unexpected appearance of two animatronic dinos -- a Tyrannosaurus rex and a Velociraptor.

After screaming and looking like he was about to punch one of the dinosaurs, Pratt smiles. Clearly, the prank impressed the actor, who had already seen his fair share of dinosaurs, up close and personal, thanks to his role as a dino expert in "Jurassic World," which had a gangbuster opening at the box office this past weekend.

"They look great," Pratt complimented the dino pranksters in the video. "You scared me! You did a good job, you guys."

Once the initial shock wears off, Pratt even hugs the dinosaurs -- a move that we kind of hope is in the sequel.

Earlier in the month, SA Wardega did a much more elaborate dinosaur prank complete with fake entrails and bones scattered everywhere. Compared with that video, Pratt got off easy this last time.