Complex sentence: On December 29,2009, it was announced that "The Jeff Dunham Show" would not return for a second season, despite higher average than other Comedy Central shows, with its higher production cost cited as a factor.
Split into simpler sentences: On December 29,2009, it was announced that "The Jeff Dunham Show" would not return for a second season, despite having above average ratings. Despite having higher ratings than other Comedy Central shows, its higher production cost was cited as a factor.