Source taken from Wikipedia.org/AniDB.net
Monster Rancher, known in Japan as Monster Farm (Monsutā Fāmu?), is a 73-episode anime series based on the Monster Rancher series of video games made by Tecmo. It had originally aired in Japanese television on TBS from April 17, 1999 to March 25, 2000.
Before the world's continents broke up into pieces, a huge disaster hit the world. People prayed to God for help, and God created new life forms. However, new life forms brought new troubles, so God became exasperated and sealed them in "disc stones". Many years have passed since then and God entrusted the humans with the secret of "disc stones". Today people still continue searching for these missing "disc stones" to unlock the lifeforms within.
