* Surrounded by British government forces, Nimue calls for backup - but will Merlin and Galahad help stop the opposition... or expose Britain to the truth?
* Meanwhile, Bridgette and Duncan are trapped in the Otherworld and blocking their exit is Arthur's greatest knight: Lancelot.
* Meanwhile, Bridgette and Duncan are trapped in the Otherworld and blocking their exit is Arthur's greatest knight: Lancelot.