Complex sentence: He stayed with the series throughout the fifth season, before departing to get his first writing job on the critically acclaimed CW series "Veronica Mars" and then to ABC's "Big Shots", in 2007 and 2008.
Split into simpler sentences: He stayed with the series throughout the fifth season, before departing when he got his first writing job on the critically acclaimed CW series "Veronica Mars." After the series ended Hull went to work on ABC's "Big Shots" in 2007 and 2008.