Can I restrict certain programming from appearing in HISTORY Vault? At this time, there are no parental control settings for HISTORY Vault. Related articles How can I sign in to HISTORY Vault with my Comcast Xfinity channel subscription? How can I sign in to HISTORY Vault with my Amazon Prime Video channel subscription? How much does a HISTORY Vault subscription cost? HISTORY Vault videos won't play. What should I do? I don't see a particular show or documentary that I am looking for. How do I find it?