Question: What television show was written by Alex Hirsch and was produced from June 15, 2012 to February 15, 2016

full_context: Document 1: Get Animated!: Get Animated is a program block on the Disney Channel in the United States, consisting of Saturday morning cartoons. Disney Channel Saturday Mornings debuted June 18, 2011, as "Toonin' Saturdays", and was rebranded as "Disney Channel Saturday Mornings" in 2012. The block aired shows like "Fish Hooks", "Phineas and Ferb", "", "Have a Laugh!" and "Gravity Falls". It occasionally shows new episodes of cartoons on Saturday mornings.
Document 2: Dreamscaperers: "Dreamscaperers" is the nineteenth episode of the first season in the animated series "Gravity Falls". The episode is the first of the two-part season finale, the second being "Gideon Rises". It was first broadcast on July 12, 2013, on the Disney Channel. It was written by series creator Alex Hirsch, alongside Matt Chapman and Tim McKeon, and directed by Joe Pitt and John Aoshima. It marks the first appearance of Bill Cipher.
Document 3: Not What He Seems: "Not What He Seems" is the eleventh episode of the second season of the American animated television series "Gravity Falls", created by Alex Hirsch. The episode was written by Shion Takeuchi, Josh Weinstein, Jeff Rowe, Matt Chapman, and Hirsch, and directed by Stephen Sandoval. The series follows twelve-year-old twins Dipper (voiced by Jason Ritter) and Mabel Pines (voiced by Kristen Schaal), who stay for the summer with their grand uncle Grunkle Stan (voiced by Hirsch) in a tourist trap called the Mystery Shack, set within the fictional town of Gravity Falls, Oregon. In this episode, Dipper and Mabel begin to question who Stan really is after officers arrest him for stealing chemical waste. The episode, which breaks the show's status quo by revealing Stan's brother, ends with a cliffhanger to the second half of the season.
Document 4: Star vs. the Forces of Evil: Star vs. the Forces of Evil is an American animated television series produced by Disney Television Animation. The first episode was shown on January 18, 2015, on Disney Channel as a special preview, and the series officially premiered on March 30, 2015, on Disney XD. The show was created by Daron Nefcy, who had worked on storyboards for "Wander Over Yonder" and "Robot and Monster". Nefcy became the second woman to create an animated series for Disney Television Animation (the first being Sue Rose, who created "Pepper Ann"), and the first woman to create a Disney XD series. On February 12, 2015, Disney renewed the series for a second season prior to its premiere on Disney XD. The second season premiered on July 11, 2016. On March 4, 2016, it was renewed for a third season, with a two-hour TV movie called "The Battle for Mewni", which aired on July 15, 2017. On February 28, 2017, it was officially renewed for a fourth season.
Document 5: Weirdmageddon 3: Take Back The Falls: "Weirdmageddon 3: Take Back The Falls" is the series finale of the American animated television series "Gravity Falls", created by Alex Hirsch. The episode was written by Shion Takeuchi, Mark Rizzo, Josh Weinstein, Jeff Rowe, and Hirsch, and directed by Stephen Sandoval. The series follows twelve-year-old twins Dipper (voiced by Jason Ritter) and Mabel Pines (voiced by Kristen Schaal), who stay for the summer with their grand uncle Grunkle Stan (voiced by Hirsch) in a tourist trap called the Mystery Shack, set within the fictional town of Gravity Falls, Oregon. In this episode, Ford (voiced by J.K. Simmons) discovers the extent of Bill Cipher's plans, while the Mystery Shack crew forms a plan to fight back and reclaim the town. A final confrontation with Bill leads to the Pines family's ultimate fate and greatest sacrifice.
Document 6: Big Hero 6 (TV series): Big Hero 6: The Series is an upcoming American animated series, produced by Disney Television Animation and currently being developed by "Kim Possible" creators Mark McCorkle and Bob Schooley. The series is based on Disney's 2014 film "Big Hero 6", which itself is loosely based on the comic book series, Big Hero 6 published by Marvel Comics. Scheduled to premiere on Disney XD in November 2017, the series will take place after the events of the film and will use traditional 2D animation.
Document 7: Tourist Trapped: "Tourist Trapped" is the first episode of the animated television series "Gravity Falls". The episode was directed by John Aoshima and written by series creator Alex Hirsch. The episode premiered on Disney Channel on June 15, 2012, airing immediately after the premiere of the Disney Channel Original Movie "Let It Shine".
Document 8: The 7D: The 7D is an American children's animated television series produced by Disney Television Animation, which premiered on Disney XD on July 7, 2014. It first air on Disney Junior block on December 2, 2014. then it aired on Disney Channel in late summer 2014. is a re-imagining of the title characters from the 1937 film "Snow White and the Seven Dwarfs" by Walt Disney Animation Studios, and their adventures prior to the introduction of Snow White. The first season consisted of 24 episodes. On December 2, 2014, the series was renewed for a second season. The show aired its final episode on November 5, 2016.
Document 9: The Nightmare Begins: "The Nightmare Begins" is the first episode of the first season of animated science fiction comedy television series "Invader Zim". It originally aired in the United States on Nickelodeon on March 30, 2001.
Document 10: Wake Up / Escape from the Citadel: "Wake Up" and "Escape from the Citadel" are the first two episodes of the sixth season of the American animated television series "Adventure Time". "Wake Up" was written and storyboarded by Andy Ristaino and Cole Sanchez, whereas "Escape from the Citadel" was storyboarded by Tom Herpich and Steve Wolfhard. Both episodes' stories were developed by Kent Osborne, Pendleton Ward, Jack Pendarvis, and Adam Muto. The two episodes originally aired on Cartoon Network on April 21, 2014. The episodes guest star Kumail Nanjiani as Prismo, M. Emmet Walsh as the Cosmic Owl, Miguel Ferrer as Death, Ron Perlman as the Lich, and Stephen Root as Martin.
Document 11: Phineas and Ferb: Phineas and Ferb is an American animated musical comedy television series. Originally broadcast as a one-episode preview on August 17, 2007 and again previewed on September 28, 2007, the series officially premiered on February 1, 2008 on Disney Channel, and follows Phineas Flynn and his British stepbrother Ferb Fletcher on summer vacation. Every day, the boys embark on some grand new project, which annoys their controlling sister, Candace, who frequently tries to reveal their shenanigans to her and Phineas' mother, Linda Flynn-Fletcher, and less frequently to Ferb's father, Lawrence Fletcher. The series follows a standard plot system; running gags occur every episode, and the b-plot almost always features Phineas and Ferb's pet platypus Perry the Platypus working as a spy ("Agent P") for OWCA (the Organization Without a Cool Acronym), to defeat the latest scheme of Dr. Heinz Doofenshmirtz, a mad scientist driven largely by a need to assert his evilness. Sometimes, other villains scoff at his level of evil. The two plots intersect at the end to erase all traces of the boys' project just before Candace can show it to their mother. This usually leaves Candace very frustrated.
Document 12: Gravity Falls: Gravity Falls is an American animated television series produced by Disney Television Animation originally for Disney Channel (and then later for Disney XD) from June 15, 2012 to February 15, 2016.
Document 13: Gideon Rises: "Gideon Rises" is the twentieth aired episode of the animated television series "Gravity Falls". It is also the final episode of the series' first season. The episode premiered on August 2, 2013, on the Disney Channel. It was directed by John Aoshima and Joe Pitt, and written by Alex Hirsch, Matt Chapman, and Michael Rianda.
Document 14: Mabel Pines: Mabel Pines is one of the lead characters of the Disney XD (formerly Disney Channel) animated series "Gravity Falls". The character is voiced by Kristen Schaal, and designed by the series creator, Alex Hirsch. She is inspired by Hirsch's own twin sister, Ariel Hirsch. Mabel first appeared on the unreleased, unnamed pilot created by Hirsch which he used to pitch the show; she then appeared on the first episode "Tourist Trapped". Mabel, with her brother Dipper Pines, stars in every episode of the show. Mabel also has two series of shorts dedicated to her: "Mabel's Guide to Life" and "Mabel's Scrapbook".
Document 15: Disney XD: Disney XD is an American digital cable and satellite television channel that is owned by the Disney Channels Worldwide unit of the Disney–ABC Television Group, itself a unit of the Disney Media Networks division of The Walt Disney Company. Aimed primarily at children ages 6-14, its programming consists of original first-run television series, current and former original series and made-for-cable films from sister network Disney Channel, theatrically-released films, and acquired programs from other distributors.
ground_truth: Gravity Falls