Samurai Champloo Episode 22: Cosmic Collisions
Episode 22 of 26 of Samurai Champloo, aired February 19, 2005, 23 minutes. Available with English subtitles and dub where released.
Episode summary
On the way to Nagasaki the trio falls in a hole and ends up in a mine. The trio ends up working for the owner of the mine for a share of the treasure. As the days drag on Fuu discovers that they are becoming more and more like the seemingly-alive workers.