Movies maybe. We are in the golden age of TV, at least. Thanks to streaming and 'binge watching' creators feel a lot more comfortable with putting up shows with more complicated continuity, instead of independent episodes, than they used to.

As far as I can tell, books haven't really gotten more (or less) complicated in at least the past 200 years. Or rather: you might be able to detect some trends with a statistical analysis, but the variance is big enough that as a casual reader, you won't notice a trend.