Mobile Suit Gundam Thunderbolt (機動戦士ガンダム サンダーボルト Kidō Senshi Gandamu Sandāboruto?) is a 2015 ONA created by Sunrise based on the manga of the same name. The first season was released between December 25, 2015 and April 8, 2016. The second season was released between March 24, 2017 and July 14, 2017.