Bettany Hughes, John Sergeant and Raksha Dave investigate what happened on the eve of the eruption, with John diving under the streets of Naples to find the extraordinary remains of one of the wonders of the ancient world - the Aqua Augusta. Raksha also climbs into the crater of Vesuvius to uncover what could have been happening inside the volcano in the fateful moments before the eruption.
| Name | Type | Role | |
|---|---|---|---|
| John Sargeant | Guest Star | ||
| Raksha Dave | Guest Star | ||
| Bettany Hughes | Guest Star |