June 6, 2023. According to the inquiry of Regula Altman official website, the fourth episode of Regula Altman was broadcast on June 6th, 2023. Regulo Siotman is a character in the special drama "Battle of the Otter Galaxy: Conflict of Destiny" produced by Japanese Round Valley Production Co., Ltd. He is an otter warrior from the D60 planet of Tianlong Star, and he is a master and successor of the Cosmic Fantasy Beast Boxing under Master Lei Ting.