Red Velvet will be making a special appearance on JTBC's 'Knowing Brother'!

On April 14, we were informed that Red Velvet have joined the shows' recording with Super Junior's Heechul, Kang Ho Dong, Lee Su Guen, Suh Jang Hoon, Kim Young Chul, Lee Sang Min, Buzz's Min Kyung Hoon, and more.

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The producers of 'Knowing Brother' stated that Red Velvet and Heechul showed great SM family chemistry, and brought much laughter. This special episode featuring Red Velvet is scheduled to air on April 23!