This lecture overviews 3D image and video displays that has many applications in stero vision, 3D cinema and 3D TV. It covers the following topics in detail: Human stereo vision, Color-encoded stereo display (anaglyph), Polarization-encoded stereo display, Time-multiplexed stereo display, Wavelength-multiplexed stereo display, Head-mounted displays, Free viewpoint 3D display (Autostereoscopy), Holographic displays, Lenticular displays and Volumetric image displays.