Complex sentence: He stayed with the series throughout the fifth season, before departing to write for the critically acclaimed CW series "Veronica Mars" and then on the ABC show "Big Shots", in 2007 and 2008.
Split into simpler sentences: He stayed with the series throughout the fifth season, before departing. Hull wrote episodes of the dramas "Veronica Mars" and "Big Shots", in 2007 and 2008.