The present invention relates to an information processing device and method, a program recording medium, a program, and an imaging device which enable different processing to be set easily and flexibly for different contents to be managed. An entry i in a content management file includes a pointer to a content i, that is, information indicating the location of the content i recorded on a recording medium 2, attribute information including recording date and time, modification date and time, or protection information, a thumbnail image of the content i, text information, a reproduction starting script 81 which is activated, when reproduction of the content i is instructed in accordance with an input made by a user from an operation section, before reproduction of the content i is started, and a reproduction ending script 82 which is activated when the reproduction of the content i ends. The present invention can be applied to an imaging device which records image data of an imaged object on a recording medium.