On the February 3 installment of SBS's 'Roommate,' g.o.d's Park Joon Hyung took Jackson, Sunny, and Danny Ahn to the group's past dorm from 18 years ago, even revealing a hilarious story from their time there involving actress Song Hye Kyo!

Park Joon Hyung said, "At the time, I was filming for the sitcom, 'Soonpoong Clinic,' so [co-star] Song Hye Kyo came over," explaining that all the members saw someone coming from the window while they were only in their underwear! �When Park Joon Hyung told them it was Song Hye Kyo, they all freaked and quickly dressed themselves and fixed their hair to greet the pretty star.�

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You can check out the tour of the old dorm in the clip above. �He talks about Song Hye Kyo at the 2:40 mark, clearly having fun recalling the entertaining moment.