If you are interested in science, physics and mathematics in particluar, then you may well enjoy Sabine Hossenfelder’s YouTube place:
Staged
If you can, and are locked up and bored or have a couple of free hours, then I commend you to watch David Tennant and Michael Sheen in Staged:
https://www.bbc.co.uk/iplayer/episode/p08dpqb9/staged-series-1-1-cachu-hwch