About Big Bang Big Bang (Korean: 빅뱅), commonly stylized as BIGBANG, is a South Korean hip-hop boy band. The group's formation was chronicled on the television series Big Bang Documentary, from July to August 2006. The show was also aired online on GomTV and on MTV Korea. Initially a six-member group, one member got eliminated out during the airing of the show before the official debut leading to their current line-up of G-Dragon, T.O.P, Taeyang, Daesung and Seungri.