I don't see a particular show or documentary that I am looking for. How do I find it? New content is always being added. If you don’t see a particular show right now, it might be available at a later date. Related articles Is the same content available on all of the HISTORY Vault apps? Is there a limit on how many devices I can use at once with HISTORY Vault? How often is content added to HISTORY Vault? Can I watch videos on historyvault.com on the web browser on my mobile device? Do you support all Roku players?