Christopher Nolan’s epic Tenet is not available on Netflix as of this article’s publish date. To see Tenet in 4k you have to either buy the 4k Ultra HD Blu-ray or purchase in Digital 4k from another service such as Apple TV or in Digital HD from Amazon. You also need a 4k TV (and 4k Ultra HD Blu-ray player if using a 4k Blu-ray Disc). To enjoy Dolby Vision you need a TV that supports Dolby Vision HDR. Tenet may also be offered in 4k UHD On Demand through your TV service provider.