'Knowing Bros' Kang Ho-dong, Lee Seung-gi "My brother i love" on April 21, 2018 Kang Ho-dong Kim Hee-chul Lee Seung-gi +
'Subtype' Kim Hee-chul "Artists exclude public interest? I do not want to say that." training school on April 21, 2018 Kim Hee-chul Lee Seung-gi +
'Knowing Bros' Lee Seung-gi "Kang Ho-dong, there was no phone call from the audience." on April 21, 2018 Kang Ho-dong Kim Hee-chul Lee Seung-gi +
'Knowing your brother' Park Jin-young, his debut with 'Charming' on April 06, 2018 Bae Suzy Kim Hee-chul Park Jin Young +