Fans of SBS's beloved "Family Outing", get ready to hear some great news! It looks like Big Bang's Daesung will be making a special guest appearance on 'Running Man'! Although no official statement on his guest appearance has been made just yet, behind-the-scenes photos of 'Running Man' Daesung and his 'Dumb and Dumber' hyung, Yoo Jae Suk, have recently been revealed. Not only does this episode mark Daesung's reunion with Yoo Jae Suk since their 'Family Outing' days, but it also marks his reunion with his 'string-eyed brother', Kim Jong Kook. In these photos, the two are dressed in boyscout uniforms, and they appear to be racing down the aisles of a grocery store. Pictures were snapped of the other 'Running Man' members behaving in the same manner. What kind of a game could they be up to? A big thank you to all our readers who sent in tips! And stay tuned to allkpop as we bring you more updates on this upcoming episode!