Complex sentence: Tiny Planets is privately held by My Tiny Planets Ltd. The original concept was conceived in 1998 and the television series was produced between 1999 and 2001 in a co-production with Sesame Workshop.
Split into simpler sentences: Tiny Planets is privately held by My Tiny Planets Ltd. The original concept was conceived in 1998. The television series was produced from 1999 until 2001 in a co-production with Sesame Workshop.