TV station toilet vol.4

This one is quite interesting. It seems like a camera were placed in Japanese TV station's toilet. In this video there are many japanse text shows up like trying to explain the situation. Unfortunately i cannot read japanese. Since there are many visitors from japan here. Pls kindly help explain more about this video after downloaded^^

Download:
http://www.filesonic.com/file/1263058604/TVstation_toilet04.wmv.part1.rar
http://www.filesonic.com/file/1263044274/TVstation_toilet04.wmv.part2.rar