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?
The Private Eye
This Way Up
Time Out of Mind
The Memory Lingers On
The View from Within
Life Sentence