| Episode | Title | First Broadcast | Repeated | Description |
|---|---|---|---|---|
| 01 | Little Liars | 20030721 | Are we born liars? Why do children lie so enthusiastically? Can the brain reveal the secrets of our lying ways? | |
| 02 | Tangled Webs And Tap-dancing Dogs | 20030722 | Today, how lies wriggle their way into every corner of our lives. Unravelling the lies of politicians, and the secret of why Bill Clinton was such an unconvincing liar. | |
| 03 | Signs Of Lies | 20030723 | 20040406 | How everything we say and do betrays our lies. Body language and micro expressions we can't control. And can psychological magician Derren Brown spot Martin's lies? |
| 04 | On My Baby's Eyes | 20030724 | How do police and fraud investigators detect our lies? Martin is not good at spotting lies, but not worse, it turns out, than the average policeman. | |
| 05 LAST | The Age Of The Machine | 20030725 | How machines may one day be able to detect our every lie, and the shortcomings of a world of cold truth. |