Tottoko Hamtarou Hai!
English name: Hamtaro Hai!
Genres: Adventure
Type: TV, Episodes: 77
Aired: Apr 5, 2006 to Mar 28, 2008
Source: Unknown
Rating: PG - Children
Synopsis:
Tottoko Hamutaro Hai! is the sequel to Tottoko Hamutaro, or in English, Hamtaro. The series revolves around the 15 original Ham-Hams in short 5-minute episodes. The Hai! series is animated differently from the original series, most notably, the head-to-body ratio is off, and it is also computer-generated in 3-D. 

(Source: Wikipedia)