ancient technology. The trailer for Combiner Wars was released on July 26, 2016, along with four prequel episodes. Eight five-minute episodes of the series Combiner Wars were released weekly beginning on August 2. The cast of the Combiner Wars was predominantly made up of famous YouTube personalities. The first series was included as a bonus feature on the Transformers: The Last Knight Blu-ray release. The second series, dubbed Titans Return featured returning voice cast from previous iterations of Transformers, such as Peter Cullen and Judd Nelson, along with newcomers such as Michael Dorn as Perceptor and Wil Wheaton as Fortress Maximus. Guest voices included Mark Hamill and Ron Perlman. Titans Return debuted on November 14, 2017, on the Go90 platform, consisting of ten episodes at roughly 11 minutes each. The series featured returning Titan characters such as Metroplex, Fortress Maximus and Trypticon and the resultant destruction such enormous characters create. The third part of the trilogy, dubbed Power of the Primes was launched on May 1, 2018, comprising 10 episodes released weekly, each roughly 11 minutes long. FJ DeSanto was executive producer of the third installment. Animation was done by Tatsunoko Productions. Power of the Primes focused on the arrival of Megatronus, one of the original Primes. In 2019, Machinima shut down and folded into Otter Media. On January 19, Machinima removed all of its videos from YouTube, including those of the Prime Wars Trilogy. After the shutdown, a number of former Machinima creations returned to the web via Rooster Teeth. The series is available on the Rooster Teeth website. Transformers: Cyberverse (2018–2020) Produced by Boulder Media Limited, Hasbro Studios and Allspark Animation for Cartoon Network, it started airing on September 1, 2018. Two seasons, named "Chapters", were planned, with the first aired in 2018 and with the second, subtitled Power of the Spark, planned for 2019.Cyberverse uses characters and elements across G1, Beast Era, the live-action film series, Animated, and the Aligned continuity. It is notable for being the first television series of the franchise to have an 11-minute runtime (the latter two installments of the Prime Wars Trilogy have first utilized this format) and for having a New York cast instead of the usual Los Angeles one. Transformers: War for Cybertron Trilogy (2019) The Transformers: War for Cybertron Trilogy is a 3D computer-animated three-part series that was developed as a co-production between Rooster Teeth, Netflix and Hasbro. Polygon