News TV Videos CHICAGO FIRE Preview Clips Written by Shawn Marazine on October 16, 2012 Under the Rubble Severide attempts to save a construction worker trapped under a pile of debris. Herrmann Returns! Christopher Herrmann plays a joke on the crew when he comes back to the station. Related posts:'Chicago Fire' preview clip and Taylor Kinney interview 'The National Dog Show Presented by Purina' will air on NBC on Thanksgiving Day'Grimm' previews