According to one embodiment, an electronic apparatus includes a receiver, a reproducer, a display, a transmitter, and a processor. The receiver receives video content data. The reproducer generates first video data by reproducing the video content data. The display displays an image corresponding to the first video data on a screen of the display. The transmitter transmits image data including the first video data to an external display device. The processor transmits a mode switching request including identification information to identify the video content data to the external display device from a first mode to a second mode.