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Yoo Jae Suk's loyal team member Song Ji Hyo�will be on the show next week to challenge�Kang Ho Dong and his 'Knowing Brothers' cast members. In the preview clip, the actress is seen asking Kang Ho Dong if his part of the Yoo-line and even playfully threatens that she'll call Yoo Jae Suk for help. In addition, Lee El flusters Kim Young Chul with her charming personality, which drops him to his knees.

Check out the hilarious preview clip above and make sure to catch next week's episode on March 24 at 9 PM KST.