Not sure if I found a bug or not. If you look at the 3 images below, what I think it shows is that the primary image is not being displayed when viewing the season. Or am I missing something?
https://www.imdb.com/title/tt0678109/?ref_=ttmi_tt




https://www.imdb.com/title/tt0678109/?ref_=ttmi_tt




MikeTheWhistle