The video, A Private Universe, engages students in the ideas regarding alternative conceptions. This video is effective in capturing preservice teachers’ attention and altering their own beliefs regarding alternative conceptions, especially as they relate to “the reason for the seasons.” The video makes clear how prevalent alternative conceptions are, how resistant to change such notions can be, and the tenacity with which learners hold these conceptions. This article describes how the author, an assistant professor, utilized this film to address preservice teachers' misconceptions as well as those of their future students.