# Plex incorrectly identifying TV episodes

**URL:** <https://forums.plex.tv/t/plex-incorrectly-identifying-tv-episodes/100265>\
**Category:** Metadata & Adding Files\
**Tags:** server-windows\
**Created:** [April 19, 2015, 2:06am UTC](https://forums.plex.tv/t/plex-incorrectly-identifying-tv-episodes/100265 "2015-04-19T02:06:25Z")\
**Posts on this page:** 1\
**Showing post:** 43

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**Author:** ![burkasaurusrex](https://avatars.discourse-cdn.com/v4/letter/b/8dc957/32.png) [@burkasaurusrex](https://forums.plex.tv/u/burkasaurusrex)\
**Post date:** [April 17, 2017, 6:50pm UTC](https://forums.plex.tv/t/plex-incorrectly-identifying-tv-episodes/100265/43 "2017-04-17T18:50:42Z")

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> @OttoKerner said:  
> Perhaps you renamed the files to a conforming name schema only _after_ they were already (incorrectly) matched.
> 
> If this is the case, you still need to perform the ‘[Plex Dance](https://forums.plex.tv/t/the-plex-dance/197064)™’ to erase their checksums from the plex database.
> 
> [optional: disable the [SubZero](https://forums.plex.tv/discussion/186575/release-sub-zero-1-3-49-636-subtitles-done-right/p1#top "SubZero") plugin if installed]
> 
> 1. move all files for the show out of ‘sight’ of plex
> 2. update library ( ~~not ‘force update’~~ not ‘Refresh all’)
> 3. empty trash
> 4. [clean bundles](https://support.plex.tv/hc/en-us/articles/200392106-Library-Actions "clean bundles")
> 5. double check [naming schema](https://support.plex.tv/hc/en-us/categories/200028098-Media-Preparation "naming schema") and move files back
> 6. update library
> 
> [optional: re-enable the SubZero plugin if installed]
> 
> in this order

@OttoKerner, does this erase user’s viewing history? Not sure how the viewing history is stored vs. the metadata

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