Recording medium, reproducing apparatus, recording apparatus, and a recording method

In the recording medium in a plan view video-dedicated period and stereoscopic video-dedicated period immediately after the extended data-dedicated period is continuous. The shared section, the main view, subview, and extend the extent of being arranged alternately and continuously, the stereoscopic video-dedicated period is disposed the extents of the main view and the sub-view are alternately repeated, viewed replication of the main view extent of stereoscopic video-only section in the video-dedicated period are arranged in succession, the expansion data only section, extended extents to be combined with the main view extents of monoscopic video images only in the interval It is located. Sharing interval, when the stereoscopic video reproduction, when reproduction of the viewed image, and is accessed during use of the extended stream, the stereoscopic image only section during playback of stereoscopic video, monoscopic video images dedicated section in plan view video during playback, the read pair of extended data-only section and plan view dedicated video section extended stream, both of which are accessed immediately before or after a long jump.