Gulch Chronicles, having no pre-rendered CGI. The season ended on November 11, 2013. On February 3, 2014, Miles Luna announced Season 12 on Rooster Teeth's website. The season premiered on April 28, 2014 and concluded on September 29, 2014. The final season of the Chorus Trilogy, Season 13, was announced on March 4, 2015, with a release date of April 1, 2015. The season brought back a handful of characters from the series, including Sharkface, the Counselor, Junior, and Sister, and ended with a cliffhanger on September 7, 2015. On April 1, 2016, a trailer for Season 14 was released, with its first episode airing on May 8, 2016. Breaking from the format of the previous seasons, Season 14 was instead an anthology season, featuring various backstories, such as the trilogy of episodes starring Locus and Felix, and/or non-canon "PSA-type" episodes, such as the third Sarge movie trailer. The season ended on October 16, 2016. On February 24, 2017, it was announced that Joe Nicolosi, writer and director of the Season 14 episode "The Brick Gulch Chronicles" would be writing and directing Season 15. Its trailer was released on March 30, 2017, and the season itself premiered on April 2, 2017. Nicolosi returned for Season 16, Red vs. Blue: The Shisno Paradox, where he also had the help of writer Jason Weight. The season premiered on April 15, 2018. While Nicolosi could not return for the seventeenth season due to other commitments within Rooster Teeth, he co-wrote the story with Weight, who was promoted to head writer, and Miles Luna, who penned one of the season's episodes. Machinima animators Josh Ornelas and Austin Clark took over as directors of Red vs. Blue: Singularity, which premiered on March 9, 2019.Weight, Jason. "SINGULARITY". March 7, 2019. On January 15, 2020, Season 18 was confirmed to be in development with a brief 3 second clip being shown in a promo trailer for upcoming Rooster Teeth releases. The season, Red vs. Blue: Zero, was scheduled to premiere on October 19, 2020, but was delayed to November 9, 2020. Director Torrian Crawford referred to the season as a “restart” for the series, as it follows a mostly new cast, has cleaner humor, and is more action focused than previous iterations. Writing The process by which the show is written has changed as the show progressed. In the first season, Burnie Burns would typically write an