As far as great series finales go I know Six Feet Under gets most of the praise but for me it's Halt and Catch Fire.

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

https://www.youtube.com/watch?v=JAjSFtKrEMA