Some PBS Space Time episodes featuring the Penrose Diagram (in order - the first two are from 9 years ago, the last from 6) What Happens at the Event Horizon?

Some PBS Space Time episodes featuring the Penrose Diagram (in order - the first two are from 9 years ago, the last from 6) What Happens at the Event Horizon? - https://youtu.be/mht-1c4wc0Q https://youtu.be/mht-1c4wc0Q Escape The Kugelblitz Challenge - https://youtu.be/v3hd3AI2CAA https://youtu.be/v3hd3AI2CAA Mapping the Multiverse - https://youtu.be/4v9A9hQUcBQ https://youtu.be/4v9A9hQUcBQ