July 22, 2019[예능연구소 직캠] PENTAGON – Humph! (HONGSEOK), 펜타곤 – 접근금지 (홍석) @Show! Music Core 20190720 K-pop Boys
October 1, 2018[예능연구소 직캠] 펜타곤 청개구리 홍석 Focused @쇼!음악중심_20180929 Naughty boy PENTAGON HONGSEOK K-pop Boys
December 22, 2017[예능연구소 직캠] 펜타곤 RUNAWAY 홍석 Focused @쇼!음악중심_20171216 RUNAWAY PENTAGON HONGSEOK K-pop Boys
