The network's programming consists mainly of hit American series (such as "The Amazing Race", "The Big Bang Theory", "Blue Bloods", "Castle", ', "The Good Doctor", "Grey's Anatomy", "The Mentalist", "The Michael J. Fox Show", "Unforgettable" and "The X Factor"), but it has also had success with Canadian-made shows such as "Due South", "Power Play", ', "Corner Gas", "Instant Star", "The Eleventh Hour", "Flashpoint", "The Listener", "Canadian Idol" and "MasterChef Canada". CTV also regularly produces and airs Canadian-made television movies, often based on stories from Canadian news or Canadian history, under the banners "CTV Signature Series" or "CTV Movie".