Complex sentence: The Funtastic World of Hanna-Barbera was originally distributed by Worldvision Enterprises, later on distribution moved to Turner Program Services after the sale of H-B to Turner Broadcasting System.
Split into simpler sentences: The Funtastic World of Hanna-Barbera was originally distributed by Worldvision Enterprises. The distribution channel was moved to Turner Program Services after the sale of H-B to Turner Broadcasting System.