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.
What to Read Next
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.
