What are formerly very popular genres/tropes that are effectively a thing of the past/rare to see in tv series/streaming shows today?

Submitted ⁨⁨2⁩ ⁨weeks⁩ ago⁩ by ⁨bOt@zerobytes.monster⁩ to ⁨television@zerobytes.monster⁩

https://old.reddit.com/r/television/comments/1rjeuya/what_are_formerly_very_popular_genrestropes_that/