News TV Videos ‘Chicago P.D.’ preview clip Written by Lena Lamoray on March 19, 2014 Check out a preview of tonight’s all-new episode of Chicago P.D., which airs at 10/9c on NBC. “A Material Witness” – A gang targets Olinksy’s daughter on the next P.D. Related posts:SNL Promo: Vince Vaughn'Saturday Night Live' promo with Louis C.K. and Sam Smith'Hannibal' Post Mortem: Episode 313 Digital Exclusive