In the first decade of the 21st century, Stine worked on installments of five different book series, Mostly Ghostly, Rotten School, Fear Street, The Nightmare Room, Goosebumps Horrorland and the stand-alone novels Dangerous Girls (2003) and The Taste of Night (2004). Also, a direct-to-DVD movie The Haunting Hour Volume One: Don't Think About It. Starring Emily Osment, the film was released by Universal Home Entertainment on September 4, 2007 and was successful enough to spawn a spin-off, anthology, TV series R. L. Stine's The Haunting Hour