2008

2008 was the year in which Coconuts Musume and V-u-den disbanded, when in Morning Musume were no new members and Ogawa Makoto returned from Hiatus

Members
???
 * March??: Athena & Robikerottsu disbands
 * June 22: Fukumura Mizuki, Kaneko Rie & Takeuchi Akari join Hello Pro Kenshuusei
 * April?? :
 * MilkyWay and SHIPS are formed
 * Fujimoto Miki returns as a solist
 * Kimura Ayaka graduates from Hello! Project
 * Coconuts Musume officially disbands
 * October:
 * V-u-den disbands
 * November??: Miyamoto Karin joins Hello Pro Kenshuusei
 * Ogawa Makoto returns to Hello! Project
 * Ice Creamusume is formed
 * Hangry & Angry is formed
 * High-King is formed
 * Si Na is formed
 * Aoki Erina leaves Hello Pro Kenshuusei & Hello! Project
 * Mano Erina graduates from Ongaku Gatas
 * HAPPY! STYLE is formed