When paleontologist Peter Larson and his team from the Black Hills Institute made the world's greatest dinosaur discovery in 1990, they knew it was the find of a lifetime; the largest, most complete T. rex ever found. The Little’s One Take: Stories Through the Lens documentary series is bringing a one-time screening of the film. Todd Douglas Miller, the director of the film, is Skyping in from a science film festival in Moscow for a Q&A with the audience.