Use the Cast button in the YouTube player if it appears. Otherwise, open this film on YouTube or in the YouTube app and select your TV. Keep both devices on the same Wi-Fi.
In desktop Chrome, you can also choose Cast from the browser menu and cast this tab. For Apple TV, use AirPlay in Safari if available, or screen mirroring on your Apple device. Live comments appear on TV only when you mirror the page.
S1E2
Cosmic Disasters
What could bring a civilization to an end? Cosmic Disasters imagines threats that grow from planetary catastrophes to events on stellar, galactic, and cosmic scales.
This Cosmic Geographic film explores survival through the lens of the Great Filter hypothesis: the possibility that difficult barriers help explain why advanced civilizations appear rare. Its scenarios are speculative; they do not establish why we have yet to find extraterrestrial civilizations.