Complex sentence: Most recently, it was used at the end of an episode of "Hollyoaks" which aired on 10 October 2008, and was used in the 11 March 2009 episode of "Waterloo Road".
Split into simpler sentences: Most recently, it was used at the end of an episode of "Hollyoaks" which aired on 10 October 2008. It was used in the 11 March 2009 episode of "Waterloo Road".