“Our managing director messaged the board ‘there’s a waterfall in the basement,'” Intres said. Water seen in the Filament Theatre basement. As the theater continues to restore the basement, Intres said it is also preparing for the possibility of more flooding. A Neighborhood GemFounded by Northwestern Students, the Filament Theatre has been around for 19 seasons. The Filament Theatre as seen on Aug. 6, 2026. Credit: Molly DeVore/ Block Club ChicagoHowever, the properties on both sides of the Filament have remained empty.