Girls' Generation's Sunny reveals how 'Grandpas Over Flowers' helped her to overcome her slump on 'Beatles Code 3D'

SEE ALSO: 'Beatles Code' releases preview for Girls' Generation's episode on the 18th!

As previously revealed in a preview,�Taeyeon,�Tiffany,�Sunny, and�Hyoyeon�as well as�Lim Chang Jung are the guests lined up for the upcoming broadcast.

Sunny surprised everyone by sharing she recently faced a slump, sharing, "It was very difficult. Around the time that I thought that I didn't know how I could laugh on broadcast, I received the offer to appear on 'Grandpas Over Flowers'... After thinking over it a lot, I decided to appear on it. Suddenly, it felt like I was on a vacation to play. It was the first time that I ever felt like that. As I had fun during filming, I was able to overcome my slump."

Hyoyeon will also share how she was recruited into SM Entertainment during the first generation idol days when�H.O.T and S.E.S were active and the chronological order of who joined the agency.

Catch this episode later today at 11PM KST!