Sonarr is showing wrong cover art for some shows. I’m running Sonarr 2.0.0.4099 on Synology 1815+. Some shows persistently have wrong cover art on the series page. If you click on the show everything looks fine. The cover art shown is for some other shows I’m watching, so it is not totally random.
Did you happen to rebuild the series in Sonarr recently?
The easiest solution would be to delete the existing series images (They are stored in the App Data folder for Sonarr, which is shown in System: Status page), then restart Sonarr and Refresh all series.
No, I don’t have this add on. It happens on all commuters, phones, tablets I tried so far. It happened all the time but it looks like it got worse recently…