[1996] Horizon - “The Time Lords”, an investigation into claims by researchers that time travel is not only theoretically possible but is already happening. Appearing are Stephen Hawking, Carl Sagan, David Deutsch and Matt Visser.

https://youtu.be/SwvicaZQpTY

#OldBritishTelly #StephenHawking #CarlSagan #DavidDeutsch #MattVisser