What are your favorite examples of TV shows that actually share the same fictional universe?

Submitted ⁨⁨3⁩ ⁨hours⁩ ago⁩ by ⁨bOt@zerobytes.monster⁩ to ⁨television@zerobytes.monster⁩

https://www.reddit.com/r/television/comments/1wdlcpd/what_are_your_favorite_examples_of_tv_shows_that/