Complex sentence: Series Six of the ITV programme "Foyle's War" was first aired in 2010, beginning Sunday 11 April; it comprises three episodes and is set in the period from June to August 1945.
Split into simpler sentences: Series Six of the ITV programme "Foyle's War" was first aired in 2010, beginning Sunday 11 April. It is set in the period from June to August 1945.