twenty-three episodes of "coming of age" were broadcast over the course of three series. there are number of differences between the pilot and the subsequent series. most notably, alex kew and amy yamazaki, who played ollie and jas in the pilot, have been replaced by ceri phillips and hannah job. also, dani harmer originally played chloe, but was replaced by anabel barnston. as well as new sets, the theme tune also changed, from "steady, as she goes" by the raconteurs to a specially written piece by birmingham band kategoes and richie webb.