1. A set top box, for providing video-on-demand services and operatively connected to TV equipment of a television service subscriber, programmed to perform the steps of: (a) receiving, at the set top box, via a closed system from a video-on-demand content delivery system of a television service provider system comprising one or more computers and computer-readable memory operatively connected to the one or more computers of the television service provider system, at least the following digital content: (i) first video-on-demand application-readable metadata, associated with first video content and usable to generate a video-on-demand content menu, the first metadata comprising: (1) first title information comprising a first title, and (2) first content provider designated hierarchically arranged category information and subcategory information to specify a location of the first title information for the video content in a predetermined video-on-demand application, the first content provider designated category information and subcategory information associated with the first title information of the first video content using a same hierarchical structure of categories and subcategories as is to be used for placement of the first title information in the predetermined video-on-demand application; wherein the first video content was uploaded to a Web-based content management system by a content provider device associated with a first video content provider via the Internet in a digital video format, along with the associated first metadata including first title information, and first content provider designated hierarchically arranged category information and subcategory information designated by the first video content provider, to specify a hierarchical location of the first title of the first video content within the video-on-demand content menu using the first category information and first subcategory information associated with the first title information, and further including first time information for availability of the first video content for scheduling of viewing of the first video content through the predetermined video-on-demand application; and wherein the first video content was transmitted from the Web-based content management system to the video-on-demand content delivery system at the television service provider system, where the first video content is stored on a video server associated with the video-on-demand content delivery system, wherein the video server comprises one or more computers and computer-readable memory operatively connected to the one or more computers of the video server and wherein the video server is configured to supply the first video content, upon request, for transmission to the set top box; (b) receiving, at the set top box, access to the video-on-demand content menu for navigating through titles, including the first title of the first video content, by hierarchically-arranged category information and subcategory information including at least the first category information and the first subcategory information in order to locate a respective one of the titles whose associated video content is desired for viewing on the respective TV equipment, wherein the video-on-demand content menu lists the titles using the same hierarchical structure of category information and subcategory information as was designated by one or more video content providers, including the first video content provider, in the uploaded metadata for the respective video content, wherein a plurality of different video display templates, including a first video display template, are accessible to the set top box, and wherein the predetermined video-on-demand application has access to the first video display template for generating and displaying the video-on-demand content menu at the TV equipment of the television service subscriber; wherein the predetermined video-on-demand application has determined which titles in the video-on-demand content menu are available for selection from the video-on-demand content menu at a respective time based at least in part on respective time information during which the respective video content associated with the respective time information can be accessed through the predetermined video-on-demand application; and (c) in response to (i) the television service subscriber selecting, via a control unit in communication with the set top box, the first title associated with the first video content from the hierarchically-arranged category information and subcategory information of the video-on-demand content menu, and (ii) the set top box transmitting an electronic request for the first video content associated with the selected first title, receiving, at the set top box via the closed system, the first video content for display of the first video content on the TV equipment of the television service subscriber.