Consists out of three parts. In part one philosopher of physics David Wallace guides us the many-worlds interpretation of quantum mechanics and the mind-bending claims it makes about our reality. In part two Sir Terry Pratchett and Stephen Baxter discuss their new series of novels entitled The Long Earth. In part three the audience gets to ask the panel questions.
| Name | Type | Role | |
|---|---|---|---|
| David Wallace | Guest Star | ||
| Terry Pratchett | Guest Star | ||
| Stephen Baxter | Guest Star |