This report details the summative evaluation of the Flight of the Butterflies IMAX film. Four focus with a total of 39 participants took part. They watched the film in either 2D or 3D. The St. Louis Science Center, where the film was presented in large 2D format, hosted two focus groups with adults (n=19). The Maryland Science Center (MSC) in Baltimore, which showed the film in 3D format, hosted one focus group with adults (n=8) and another with middle school age students (n=12). All participants were recruited through the science center membership lists. The focus group began with initial