I've accidentally checked a few video as watched, and then unchecked them. After unchecking the videos, they aren't removed from the completion graph. So it continues to add videos as watched, instead of limiting it to the number of videos in the series.
I've accidentally checked a few video as watched, and then unchecked them. After unchecking the videos, they aren't removed from the completion graph. So it continues to add videos as watched, instead of limiting it to the number of videos in the series.