YES, CLICK ON THIS! Any spoiler আপনি have, just let me know, don't care what it is :)

I have heard that apparently Lancelot will meet the Great Dragon.

ah need to catch up with the spoilers ?
well its mostly speculations for as for morgana , the first 2 episodes will be called " the revenge of the witch" অথবা something like that ( u know that i dont really pay attention to morgana LOL)
Morgana will kill Uther, arthur and gwen will get engaged, Gwen wont cheat on Arthur , its confirmed , hum Lancelot is back , morgana has scenes inside the দুর্গ O_O
well thats all i can think of for now.

my pics and vids:
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and I already পোষ্ট হয়েছে 2 LJ limks here that summs up the most of the spoilers ;)
অথবা come to the Arwen fanspot, there are many spoiler discussions and speculations =)

1) Uther is broken so Arthur takes আরো charge
2) The 1st episode is a 2 parter called 'Revival of the witch
3) It's a lot darker with less comical episodes
4) It's আরো like the legend
5)The new cast arrival [Nathaniel Parker as Agravaine] is a relative of Ygraine.
6)Morgana's totally grown up and doesn't have to wear pretty dresses and pretend anymore