Hypnotize is the fifth album by System of a Down and the second half of the Mezmerize/Hypnotize double album before their hiatus. It was released on November 22, 2005, six months after the release of companion album Mezmerize.
The album was released on both CD and DualDisc; the latter contains behind-the-scenes footage showing the making of Mezmerize and Hypnotize, the music videos for the songs "B.Y.O.B." and "Question!", and the entire album in enhanced stereo (LPCM at 16-bit/48KHz versus the CD standard of 16-bit/44.