Complex sentence: The Zoogs were given a more three-dimensional redesign and mature voices in 2001, but were phased out after less than a year, with the entire block phased out by September 2002.
Split into simpler sentences: The Zoogs were given a more three-dimensional redesign and mature voices in 2001, but were phased out after less than a year. With the entire block phased out by September 2002.