World Beyblade Organization by Fighting Spirits Inc.

is there a 4th season or going to be

Yes, and it starts in Japan in less than a week.

http://worldbeyblade.org/Thread-MFB-Epis...ril-5-2009

Beyblade Spirit has lots of info on the new series. The new Beyblades have been coming out since August 2008.

http://wiki.worldbeyblade.org/index.php/...t_Beyblade

Please do a bit of research next time before posting a thread.