Comedian Yoo Jae Suk ran for cover in the corner of the room when he was faced with a ghost in the recording studio.

The latest episode of MBC's 'Infinity Challenge' put the members through a secret 'hidden camera' where they were accosted by a creepy image, followed by a surprise from a white-robed ghost bursting out from behind!

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During the hidden camera, Yoo Jae Suk visited the studio thinking that he was doing a voice over for a trailer video. He was sitting in front of the monitor with his headphones on when a ghost popped up on the screen.�

Yoo Jae Suk shrieked and backed up from the monitor. Then, the ghost rushed up from behind him with a high pitched scream, and he fell on the ground yelling, "Mom!"

Even when the cameras came out and he realized it was a joke, he couldn't stop crying and stayed down for a while!

Check out this week's full episode below.