A teaser visual has been revealed and announced that the Saiki Kusuo no Ψ-nan TV series will get a new anime. It also mention that the new anime will conclude the series. There was a hint about the possibility of it in the final episode of the second season, which broadcasted on June 27. More information, including the format of the anime, will be revealed on the Weekly Shounen Jump magazine in October.
Saiki Kusuo no Ψ-nan is based on the manga of the same title by Shuuichi Asou. It started serialization in 2011 irregularly and was compiled into Volume 0. It serialized regularly between May 14 of 2012 to July 26 of this year. The manga has released 26 compiled manga volumes under the Jump Comics imprint, which 26th volume includes one of the 4-koma manga series titled SaiΨ and a sequel titled Saiki Kusuo no Ψ Kidou. Animated by studio J.C Staff and Egg Firm, the first anime season broadcasted in Summer 2016, succeeded by a second season broadcasted this winter. A live-action movie adaptation was screened in Japanese theaters in October of last year. A special event is also planned for this December with main cast members appearing.
Source: animate Times