A preview for the upcoming Let's Go Dream Team Girl Group Special featuring SNSD / Girls' Generation's Hyoyeon, Tiffany and Sunny; Kara's Seungyeon and Nicole; Brown Eyed Girls Narsha and Ga-in; Jewelry's Ju Yeon and Eunjung; and Secret's Hyosung recently aired. The part that caught my attention the most was the flight of Hyoyeon's hair extensions during a dance battle: You can check out the full preview below, the specials will air on February 21st and 28th, thanks to Mary for the tip.