The official website for the upcoming fourth TV anime adaptation of the Teekyu manga series and its spin-off series Takamiya Nasuno Desu! has announced that both shows will premiere in Japan on April 6, 2015. The fourth season of Teekyu will premiere on Tokyo MX at 25:05, then Takamiya Nasuno Desu! will follow three minutes later at 25:08.
Millepensee is producing the forth season of Teekyu instead of MAPPA, but Shin Itagaki returns as director. All four of the main voice cast also reprise their roles.