H.O.T - OP.T (OPeration Takeover) MV
H.O.T We Are the Future + Op. T 2001 ...
H.O.T. - OP.T (3D Movie Concert Scene)
[TJ노래방] OP.T - H.O.T / TJ Karaoke
H.O.T - In I (이 세상에 버려진 모든 아이들을 위하여) ...
H.O.T. - OP.T (Operation Takeover)
H.O.T. - Op.T #1 - `死鬪`
H.O.T. - OP.T (Instrumental)