Lee Seung Gi intruded in SNSD's backstage room.

On December 18ths episode of KBS 2TV 'Happy Sunday-1Night 2Days' Lee Seung Gi, looking like the fan club president, intruded in SNSD's backstage room.

SNSD took the lead in helping taking pictures of a rainbow. Lee Seung Gi, upon hearing that a rainbow will appear if you spray water where there are a lot of lightings, visited the waiting room of 'Music Bank' with a camera.

Lee Seung Gi, who appeared to look like a fan club president as he intruded in the waiting room kept apologizing "I'm sorry I came looking like this", looking embarrased.

When Lee Seung Gi asked them to spray water under the lightings, SNSD agreed to help out kindly. So Yuri, Yoona, Soo Young, and Hyo Yeon sprayed water under the lighting and a faint rainbow appeared on the stage.

On the other hand, 1Night2Days members set out to take pictures of Oon Hae, where mountain peaks form an island, preciously beautiful sunrise omega, 4 member Japanese crane family also known as natural monument #202, group dance of few hundreds of thousands of ducks, and the most diffult of all, rainbow.

On this day to capture the moment each member were given an expensive DSLR camera, professionals of each catergory, and special guests.