For a better viewing experience, install Brave on your PC, laptop, phone, or tablet.
After installation, open the episode or movie in Brave for more stable playback and fewer interruptions.
Happy watching.
Ended
Asking how you tell what's real and what isn't sounds like an obvious question. But in this series of six programmes, James Burke shows that the more you think about it the harder it is to answer. After all, what have you got, apart from your five senses, to prove those senses are giving you the real thing?
