S01E09: 'Excalibur'

More delicious darkness pervades Camelot in the increasingly morbid - and impressive - series. Here are several tantalising morsels of information about the contents of the episode, plus a total red herring to throw you off the scent.

The Dragon's breath is of vital importance.

Nimueh played a key part in Arthur's conception.

Arthur must fight a wraith to the death.

Merlin tries to set someone on fire.

Morgana has a vision of Gaius seducing her.

A Black Knight on horseback rides smashes through Uther's window.

Arthur is crowned.