Since Plex has maked it clear in its supported sources list and DVD format is not listed. The possible solution is to use a DVD ripping tool to rip DVD to Plex/TV playable video format and stream it to TV for playback. Though there are many DVD rippers for Plex, the best and most suitable among them is Dimo Video Converter Ultimate.
This DVD Ripping program offers specified video formats for TV and many other game hardware like iPhone, iPad, Android, PSP, PS4 Pro/PS4/PS3, Xbox One S/Xbox One/Xbox 360, PS Vita, Wii and more bypassing the CSS, Region, RCE, Sony ARccOS and PuppetLock or some other DVD protection. With it, you can easily convert, edit, view and save all your DVD disc in a format that can be easily streamed and played from Plex with the highest possible playback video quality, even original AC3 5.1 sound can be kept for Plex pass-through.
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