Complex sentence: It first aired on October 10,2006 on CTV in Canada, October 11,2006 on NBC in the United States, its country of origin, and October 11,2007 on Five in the United Kingdom.
Split into simpler sentences: It first aired on October 10,2006 on CTV in Canada. It aired on October 11,2006 on NBC in the United States, its country of origin, and October 11,2007 in the United Kingdom.