What on Earth?
- Horario
- 00:00–01:00
- Duración
- 60 min
- Descripción
- An abandoned megacity in a remote jungle might be the home of an ancient treasure and a dark secret; when a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.
- Subtítulo
- Finding King Arthur
- Géneros
- Science, Documentary
- Temporada
- 4
- Episodio
- 9