Cartoon Network UK and Ireland will premiere Lego Batman The Movie: DC Super Heroes Unite on Monday 10th April at 9am. ™ & © 2017 Cartoon Network. A part.br A promo to advertise the different animated DC Comics shows and specials on Cartoon Network where Batman makes an appearance. Shows include Justice League Action,.brTM & © 2016 Cartoon Network. A Time Warner Company. All Rights Reserved. The Cartoon Network is a part of the Turner Broadcasting System.