The Blacklist season 7 has duplicate entries for episodes 9 through 19
The Blacklist season 8 has duplicate entries for episodes 6 through 22
The Blacklist season 9 has duplicate entries for episodes 1 through 6
Updated in CORE.
Thank you for reporting 
This is strange. Season 8 in Movie Collector still shows 39 episodes with actual episodes 6-22 being duplicated as reported. Movie Connect now shows the correct 1-22 episodes, but now indicates episodes 23-39 as blanks.