The 9 PM ET broadcast, which is entitled "Broadway or Bust," is described thus: "The magic of Broadway inspires the designers, who create stylish looks based on the musical Finding Neverland."
Fashion model Coco Rocha is the guest judge.
Watch a segment from tonight's episode below:
The winning "Project Runway" prize includes $100,000 to start a clothing line.
Based on the film of the same name, Finding Neverland plays the Lunt-Fontanne Theatre and stars Matthew Morrison.
Finding Neverland, Starring Matthew Morrison, Opens On Broadway; Red Carpet Arrivals, Curtain Call and Cast Party