第 19 集: 水蜜桃月病毒隔離引發班級間互相指責
2005年11月7日 播出
A mysterious Peach Moon Virus infects the students of class 1-C and they are thus quarantined. After Old Geezer falls sick and is quarantined, Becky tries to work with the students of class 1-D to try to find a solution, but the talks break down as the students accuse each other of carrying or being the cause of the virus. (Source: Wikipedia)