Question: Magical girl is a subgenre found in which American animated television series first shown by Disney in 2015?

<P0-S0> Magical girls (魔法 少女 , mahō shōjo , also known as mahou shoujo or majokko) is a subgenre of Japanese fantasy anime and manga which feature girls who use magic. <P0-S1>  Although the genre has origins in Japan, it has been used as a motif outside Japan in Western works such as "", "Star vs. the Forces of Evil", "Steven Universe", "Winx Club" and "W.I.T.C.H.". <SEP> <P1-S0> Magical Girl Pretty Sammy (魔法少女プリティサミー , Mahō Shōjo Puriti Samī ) is a Japanese original video animation (OVA) series produced by AIC, and released from 1995 to 1997 as three videos. <P1-S1>  It features character Sasami from the "Tenchi Muyo! <P1-S2> " series as a magical girl, and is noted for recasting the "Tenchi Muyo!" <P1-S3>  characters in new roles. <P1-S4>  It has been dubbed into English by Pioneer USA. <P1-S5>  It also spawned two television series: "Magical Project S", and "", the latter of which recasts the characters another time. <SEP> <P2-S0> "Magical Girl Lyrical Nanoha" is a fantasy adventure anime and manga series written by Masaki Tsuzuki. <P2-S1>  Set in a fictional universe, its storyline follows several different users of magic as they become involved with incidents related to powerful ancient artifacts. <P2-S2>  Four anime series have been produced by Seven Arcs between 2004 and 2009 with music direction by Toshiki Kameyama. <P2-S3>  The first season anime television series titled "Magical Girl Lyrical Nanoha" directed by Akiyuki Shinbo was broadcast in 2004 spanning thirteen episodes. <P2-S4>  The second season of the anime series titled "Magical Girl Lyrical Nanoha A's" directed by Keizō Kusakawa was broadcast in 2005 spanning thirteen episodes. <P2-S5>  A third season of the anime series titled "Magical Girl Lyrical Nanoha StrikerS" directed by Keizō Kusakawa was broadcast in 2007 spanning twenty-six episodes. <P2-S6>  An anime film readaptation of the first season of the anime series was released in 2010. <P2-S7>  The discography for these series consist of ten soundtrack albums, three compilation albums, nine maxi singles, one studio album, and fourteen drama CDs. <SEP> <P3-S0> Star vs. the Forces of Evil is an American animated television series produced by Disney Television Animation. <P3-S1>  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. <P3-S2>  The show was created by Daron Nefcy, who had worked on storyboards for "Wander Over Yonder" and "Robot and Monster". <P3-S3>  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. <P3-S4>  On February 12, 2015, Disney renewed the series for a second season prior to its premiere on Disney XD. <P3-S5>  The second season premiered on July 11, 2016. <P3-S6>  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. <P3-S7>  On February 28, 2017, it was officially renewed for a fourth season.