Bleach Episode 67: Game of Death! Disappearing Classmate
Episode 67 of 366 of Bleach, aired February 7, 2006, 25 minutes. Available with English subtitles and dub where released.
Episode summary
After they arrive at school; Rinrin tells Ichigo and the others about the next game. One of them is an imposter and they must find out who it is before noon or everyone in their school will disappear.