On September 15, MBC posted the photos below to SNS along with the message, "Maknae Jae Suk who's learning idol choreography from his EXO hyungs. The record of that hot one month. It'll be revealed this Saturday at 6:20PM KST."
As previously reported, Yoo Jae Suk was given the mission to collaborate with EXO on the 'Lucky Letter' episode of 'Infinity Challenge'. Yoo Jae Suk stood on stage with EXO to perform the 32nd 'SM Station' song "Dancing King" at the Bangkok 'EXO PLANET #3 - The EXO'rDIUM', and the full song and performance will finally be revealed to 'Infinity Challenge' viewers this week.