Question: What show premiered Season 13 on The CW on October 12, 2017?

full_context: Document 1: Supernatural (season 4): The fourth season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered September 18, 2008, and concluded on May 14, 2009, on The CW.
Document 2: What Is and What Should Never Be (Supernatural): "What Is and What Should Never Be" is the twentieth episode of the paranormal drama television series "Supernatural"' s second season. It was first broadcast on May 3, 2007 on The CW. The narrative follows series protagonist Dean Winchester (Jensen Ackles) who finds himself in an alternate reality after a confrontation with a djinn ["sic"] . The creature appears to have fulfilled Dean's greatest wish: that his mother had not been killed when he was a child. Dean is happy in the new world until it becomes apparent that his previous work as a hunter of supernatural creatures has been undone. At this point, he rejects the alternate reality, and attempts to find a method to bring himself back.
Document 3: Swan Song (Supernatural): "Swan Song" is the fifth season finale of The CW television series "Supernatural". It is the 22nd episode of the fifth season, and is the show's 104th episode overall. Steve Boyum directed the episode with teleplay written by series creator Eric Kripke and story written by Eric Gewirtz. The episode aired on Thursday, May 13, 2010, and concluded the series' originally slated storyline. The narrative follows the series' protagonists Sam (Jared Padalecki) and Dean Winchester (Jensen Ackles)—brothers who travel the continental United States hunting supernatural creatures—as they attempt to stop the Apocalypse.
Document 4: Supernatural (season 8): The eighth season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered October 3, 2012, and concluded on May 15, 2013, airing 23 episodes. It is the first season headed by Jeremy Carver as executive producer and showrunner. It aired on Wednesdays at 9:00 pm (ET) on The CW. The season was released on DVD and Blu-ray in region 1 on September 10, 2013,<ref name="DVD/Blu"> </ref> in region 2 on October 28, 2013, and in region 4 on September 25, 2014. The eighth season had an average viewership of 2.12 million U.S. viewers. In the season, Dean reunites with Sam after escaping from Purgatory and team up with the prophet, Kevin, to collect a series of tablets that'll allow them to close the gates of Hell for good.
Document 5: Supernatural (season 1): The first season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered on September 13, 2005, and concluded on May 4, 2006 after 22 episodes. It focuses on brothers Sam and Dean Winchester as they track down their father, John, who is on the trail of the demon who killed their mother and Sam's girlfriend. During their travels, they use their father's journal to help them carry on the family business—saving people and hunting supernatural creatures. Jared Padalecki and Jensen Ackles star as Sam and Dean, with Jeffrey Dean Morgan recurring as their father, John, and Nicki Aycox as the demonic Meg Masters. This is the only season to air on The WB Television Network, with all subsequent seasons airing on The CW Television Network, a joint venture of The WB and UPN.
Document 6: List of Supernatural episodes: "Supernatural" is an American supernatural drama television series, created by Eric Kripke, that follows brothers Sam (Jared Padalecki) and Dean Winchester (Jensen Ackles) as they travel throughout the United States hunting supernatural creatures. The series borrows heavily from folklore and urban legends, and explores Pagan mythology and Christian theology, and their main adversaries throughout the series are demons.
Document 7: Supernatural (season 3): The third season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered on October 4, 2007, and concluded on May 15, 2008. Traveling throughout America, protagonists Sam (Jared Padalecki) and Dean Winchester (Jensen Ackles) use their father's journal to help them carry on the family business—saving people and hunting supernatural creatures. The season begins with the brothers tracking down the demons released from Hell in the previous season finale. They become allies with a demon named Ruby (Katie Cassidy), who claims to know a way to release Dean from his demonic pact—he had sold his soul to a demon and was given a year to live in exchange for Sam's resurrection—and wants to protect them from the new demonic leader Lilith. As Dean's deadline approaches, their efforts are further hindered by Bela Talbot (Lauren Cohan), a professional thief of occult items who is often at odds with the Winchesters.
Document 8: List of Wolfblood episodes: "Wolfblood" is a teen supernatural-drama television series, broadcast on the CBBC channel in the United Kingdom, and also shown worldwide. A webisode titled "The Scape Goat" takes place between the first and second series. A series of seven webisodes known as "Jana Bites" takes place between the second and third series. An online animated motion comic known as "New Moon Rising", which comes in three parts, takes place between the third and fourth series. An online animated motion comic known as "Hunter's Moon", which comes in three parts, takes place between the fourth and fifth series. Ten mini-episodes known as "Wolfblood Secrets", which also takes place between the fourth and fifth series, has aired. An extra webisode called "Lore" aired 19 October 2016. An online animated motion comic known as "Wolfblood Alpha", which is in three parts, takes place after the fourth series. s of 1 2017, episodes of "Wolfblood " have aired, concluding the first half of the  series.
Document 9: Supernatural (season 13): The thirteenth season of "Supernatural", an American fantasy horror television series created by Eric Kripke, will premiere on October 12, 2017, on The CW. The season will consist of 23 episodes and air on Thursdays at 8:00 pm (ET). This is the second season with Andrew Dabb and Robert Singer as showrunners.
Document 10: Pilot (Supernatural): "Pilot" is the first episode of the television series "Supernatural". It premiered on The WB on September 13, 2005, and was written by series creator Eric Kripke and directed by David Nutter. The "Supernatural" pilot introduced the characters of Sam (Jared Padalecki) and Dean Winchester (Jensen Ackles), brothers who travel throughout the country hunting supernatural creatures, as they battled a ghostly Woman in White (Sarah Shahi) while searching for their missing father (Jeffrey Dean Morgan).
Document 11: Supernatural (season 5): The fifth season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered September 10, 2009, and concluded on May 13, 2010, on The CW. Season five regular cast members include Jared Padalecki, Jensen Ackles and Misha Collins, who was promoted to series regular this season. After the conclusion of this season, series creator Eric Kripke stepped down as showrunner. The fifth season was released on DVD and Blu-ray in region 1 on September 7, 2010. The season follows Sam and Dean as they set out to take down Lucifer, whom Sam had inadvertently released from Hell at the end of the previous season.
Document 12: Supernatural (season 9): The ninth season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered on October 8, 2013, concluded on May 20, 2014, and contained 23 episodes. This is the second season with Jeremy Carver as showrunner. The season was released on DVD and Blu-ray in region 1 on September 9, 2014, in region 2 on June 8, 2015, and in region 4 on October 8, 2014. The ninth season had an average viewership of 2.19 million U.S. viewers.
Document 13: Supernatural (U.S. TV series): Supernatural is an American fantasy horror television series created by Eric Kripke. It was first broadcast on September 13, 2005, on The WB, and subsequently became part of successor The CW's lineup. Starring Jared Padalecki as Sam Winchester and Jensen Ackles as Dean Winchester, the series follows the two brothers as they hunt demons, ghosts, monsters, and other supernatural beings. The series is produced by Warner Bros. Television, in association with Wonderland Sound and Vision. Along with Kripke, executive producers have been McG, Robert Singer, Phil Sgriccia, Sera Gamble, Jeremy Carver, John Shiban, Ben Edlund and Adam Glass. Former executive producer and director Kim Manners died of lung cancer during production of the fourth season.
Document 14: Supernatural: Bloodlines: Supernatural: Bloodlines was a proposed American television series, before being decided against by The CW for the 2014–15 season. It was set to be a spin-off of "Supernatural", with the twentieth episode of the show's ninth season serving as the backdoor pilot. The backdoor pilot was written by Andrew Dabb and directed by Robert Singer. The series was set to explore the "clashing hunter and monster cultures in Chicago". Although the show was not picked up by The CW for the 2014–15 television season, the network is open to another spin-off of the series in the future, and are currently planning a new spin-off called "Wayward Sisters", based on a fan idea, to be backdoor piloted in Season 13.
Document 15: Supernatural (season 7): The seventh season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered September 23, 2011, and concluded May 18, 2012, airing 23 episodes. The season focuses on protagonists Sam (Jared Padalecki) and Dean Winchester (Jensen Ackles) facing a new enemy called Leviathans, stronger than they have encountered so far as well as rendering their usual weapons useless.
ground_truth: Supernatural