Heads up, polar bears - Infinity Challenge will be leaving to Alaska on the 23rd and 24th for their special overseas filming, Producer Kim Tae Ho reveals. Only three members - Yoo Jae Suk, No Hong Chul and Jung Hyung Don - will be on this trip, as a punishment for losing a game. However, the idea for having such bizarre trip was actually derived from a joke that MC Yoo made a while ago on an episode. He sarcastically talked about an imaginary man named Mr. Kim Sang Duk, who apparently lives in Alaska. For this very reason, the Infinity Challenge members will be given a quest to search an actual Korean-Alaskan (?) man with the name. If you're really named Kim Sang Duk and live in Alaska, you better be keep your eyes peeled!