Use show_trakt_id property
MODIFY
plex_trakt_sync/commands/sync.py
plex_trakt_sync/commands/sync.py
@@ -79,7 +79,7 @@ def sync_show_watched(me: Media, trakt_watched_shows, plex: PlexApi, trakt: Trak
return
watched_on_plex = me.plex.item.isWatched
- watched_on_trakt = trakt_watched_shows.get_completed(me.show.trakt.trakt, me.season_number, me.episode_number)
+ watched_on_trakt = trakt_watched_shows.get_completed(me.show_trakt_id, me.season_number, me.episode_number)
if watched_on_plex == watched_on_trakt:
return

Use show_trakt_id property