Acorn TV

I get Acorn through Cox Contour. On some series, not all the episodes are available or even listed on the Acorn menu. For instance, on Darby and Joan, episodes, 1,2,3,5,and 7 are available but not episodes 4,6,8. On The Other One, Season 2 include episodes 1,2, and 5 only. Please advise.