http://www.pbs.org/wgbh/nova/rats/ Once every 48 years, bamboo forests in Northeast India go into flower, and black rats descend upon them, like a plague. For the first time, National Geographic and NOVA and have captured this phenomenon film.

RAT ATTACK Premiers on NOVA Tuesday, February 24, 2009 at 8pm ET/PT on PBS. Please visit us online at http://www.pbs.org/wgbh/nova/rats/

You can purchase this on DVD via shopPBS at http://www.shoppbs.org/entry.point?entry=3450849&source=PBSCS_YOUTUBE_NOVA4162:N:DGR:N:N:209:QPBS