Soon, Merlin finds himself on a desperate mission to rescue a friend, as Morgana comes closer than ever to learning the truth about his powers! But could help arrive from an unexpected party? Merlin continues this Saturday at 8.20pm on BBC One!
> Merlin: 'A Servant of Two Masters' recap
Check out Digital Spy's ten teasers for this week's Merlin below:
1. "He knows all our plans, all our secrets, he knows everything…"
2. Someone falls on their sword…literally!
3. "There can be no doubt - ***** is *** *******!"
4. After taking a back-seat over the past few weeks, Gwaine gets a larger role this time round.
5. "I've had my heart broken enough already today, I don't want to lose another friend!"
6. Merlin yanks a tired Arthur out of bed in the morning.
7. "It's time for the fun to begin!"
8. The Isle of the Blessed gets another mention.
9. "I hope the man will lead me to my mortal enemy - Emrys!"
10. There's more than one shocking betrayal in store...
What do you make of our teasers? Let us know below!