First Trial (S04E06) is the sixth episode of season four of "Katekyo Hitman Reborn!" relea... More First Trial (S04E06) is the sixth episode of season four of "Katekyo Hitman Reborn!" released on Sat Apr 19, 2008. Over 102 TV Time users rated it a 0/10 with their favorite characters being Neeko as Reborn, Hidekazu Ichinose as Hayato Gokudera and Yukari Kokubun as Tsunayoshi "Tsuna" Sawada.