Year Title TV Network Member(s) Note 2011 Immortal Songs 2 KBS2 Kang Minkyung Contestant 2015 King of Mask Singer MBC Episode 17–18 "Cotton Candy Come For Walk" 2016 Duet Song Festival MBC Contestant with Kim Min-ho (Episodes 29–30) 2017 King of Mask Singer MBC Lee Haeri Episode 101–104 "Puss in Boots is Sing"