A playback method of a playback device that plays video streams recorded in a recording medium, in which are recorded video streams including at least an HDR stream of which a dynamic range of luminance of video corresponds to a high dynamic range HDR, and an SDR stream of which a dynamic range of luminance of video corresponds to a standard dynamic range, SDR, that is narrower than HDR, and identification information indicating whether or not the HDR stream is included in the video streams, the playback method comprising: reading the identification information from the recording medium; acquiring playback capability information indicating whether or not the playback device can play the HDR stream, and display capability information indicating whether or not a display device connected to the playback device can display the HDR video; deciding a video stream for playback out of the video streams, in accordance with the identification information that has been read out, the acquired playback capability information and the acquired display capability information; playing the decided video stream; and outputting playback signals obtained by the playing on the display device; characterized in that: the identification information further indicates whether or not the SDR stream is included in the video streams, and wherein, in the deciding, in a case where the identification information indicates that the video streams includes the HDR stream and the SDR stream, if the playback capability information indicates that the HDR stream can be played, and also the display capability information indicates that the HDR stream can be displayed, the video stream corresponding to the identification information indicating being the HDR stream is decided to be the stream to be played, and if the playback capability information indicates that the HDR stream cannot be played, or the display capability information indicates that the HDR stream cannot be displayed, the video stream corresponding to the identification information indicating being the SDR stream is decided to be the stream to be played. reading the identification information from the recording medium; acquiring playback capability information indicating whether or not the playback device can play the HDR stream, and display capability information indicating whether or not a display device connected to the playback device can display the HDR video; deciding a video stream for playback out of the video streams, in accordance with the identification information that has been read out, the acquired playback capability information and the acquired display capability information; playing the decided video stream; and outputting playback signals obtained by the playing on the display device; characterized in that: the identification information further indicates whether or not the SDR stream is included in the video streams, and wherein, in the deciding, in a case where the identification information indicates that the video streams includes the HDR stream and the SDR stream, if the playback capability information indicates that the HDR stream can be played, and also the display capability information indicates that the HDR stream can be displayed, the video stream corresponding to the identification information indicating being the HDR stream is decided to be the stream to be played, and if the playback capability information indicates that the HDR stream cannot be played, or the display capability information indicates that the HDR stream cannot be displayed, the video stream corresponding to the identification information indicating being the SDR stream is decided to be the stream to be played. the identification information further indicates whether or not the SDR stream is included in the video streams, and wherein, in the deciding, in a case where the identification information indicates that the video streams includes the HDR stream and the SDR stream, if the playback capability information indicates that the HDR stream can be played, and also the display capability information indicates that the HDR stream can be displayed, the video stream corresponding to the identification information indicating being the HDR stream is decided to be the stream to be played, and if the playback capability information indicates that the HDR stream cannot be played, or the display capability information indicates that the HDR stream cannot be displayed, the video stream corresponding to the identification information indicating being the SDR stream is decided to be the stream to be played.