https://www.myboca.us/DocumentCenter/View/18351/Kanopy-FAQs-PDF--ADA This explains how this works. It looks like if we don't see the entire series within the period, another credit can be used, or you can wait until the next month. BTW, there is a second season of Manhattan, but it doesn't seem available on Kanopy. It is, however, available on Hoopla. https://www.hoopladigital.com/television/manhattan-season-2-rachel-brosnahan/15924874