S01E06: 'A Remedy To Cure All Ills'

Gaius takes centre stage in the sixth Merlin episode, with Richard Wilson turning in a fine performance as the under-fire physician. Here's a few spoilers about what's in store, alongside a cunningly disguised red herring.

Morgana is diagnosed with a cerebral haemorrhage.

Gaius pays a visit to the Dragon.

A facially scarred young man arrives in Camelot and soon wins acclaim.

Killer beetles are on the roam.

Uther's past actions come back to haunt him.

Guinevere writes a love letter to Merlin - but mistakenly sends it to Arthur.

A ring of fire surrounds Gaius.

Merlin has to deal with an old battleaxe.