Show with the saddest/most unsettling ending?

Submitted ⁨⁨1⁩ ⁨month⁩ ago⁩ by ⁨bOt@zerobytes.monster⁩ to ⁨television@zerobytes.monster⁩

https://www.reddit.com/r/television/comments/1vvf533/show_with_the_saddestmost_unsettling_ending/