Merlin 4x12 teasers - come back

Ok, let's go over them

Arthur is trouserless, again - not again, please, It wasn't that bad
"I'm hardly going to look kingly in my undergarments, am I?" - Arthur, got it
“It’s a good job you don’t have anything of importance to keep secret isn’t it!” - Arthur to Merlin, got it

‘Trust me, if there’s one thing I’m good at it’s keeping secrets.’ - maybe even Merlin to Tristan?, Merlin to Arthur
Despite all the slow-mo, the battle for Camelot is over swiftly - surely will be great to see, It was fantastic
“How did they breach the gate??” - Arthur? - during battle, missed it, but close Elyan 
“Been hiding in the broom cupboard as usual Merlin?” - Arthur to Merlin?, during/before battle, got it
“Arthur, there are too many of them. We can deal with **** ***** later” - your uncle, Merlin/knights?, got it - Merlin to Arthur
Agravaine’s treachery is finally exposed by a Knight of Camelot and he pays for it later - Elyan, it's about time, got it
Agravaine’s deception is discovered by *****, who is later tortured. - Elyan, got it
‘I look for her in the room and she’s not there… then I remember why.’ - Elyan about Gwen before discovering treachery, missed - Arthur about Gwen at the banquette
“I’m fine… maybe a broken rib or two” - Arthur?, got it
Arthur undergoes a radical personality change thanks to an enchantment - there was a good theory that it's Merlin who enchants him to force him to leave Camelot to save his life, got it
Merlin has to reluctantly leave an old friend behind - Gwaine? got it + Gaius
Merlin is forced to leave someone close to him behind. got it
“Those that did not escape are either in our dungeons, or dead” - have no idea, Agravaine
‘Arthur would never abandon his people. He’d rather die.’ - Merlin/Morgana about Arthur, close - Gwaine about Arthur
Arthur gets a new look…and accent - cool, would love to see, it was funny
“Burn their crops. Let’s see how they feel when their children begin to starve” - Morgana?, got it
‘Prepare the horses – we’re going on a hunt.’ - Morgana, got it
Elyan is tortured by Morgana - not cool
Morgana likes her snakes. - as torture device?, got it
“With a little persuasion it can cause he can cause a man pain beyond all imagining” - think it fits here, got it
Agravaine’s allegiance to Morgana is explored a little. Is he having doubts? - possibly, she treats him like shit after all, got it

‘I would do anything for you, you know that.’ - Agravaine to Morgana?, got it
Tristan and Isolde are soon indebted to Camelot thanks to some life-saving action - good, nice node to legends

 ‘We prefer to think of it as free trade.’ - TI line definitely, got it
"We're too quick and too smart for the half-wit king in Camelot." - TI again, got it
“I probably should learn to think before I speak, shouldn’t I?” - TI? - missed, Arthur when enchanted
‘You and your kind bring nothing but misery to this land.’ - to TI from Arthur? or other way round, got it - TI to Arthur
Arthur and Merlin switch roles… and Merlin loves it - I'd love it too, it was funny 

“I’m sorry to have been a disappointment Merlin. I’ll try harder in the future” - but not if it's like that, pure Arthur, got it
‘What kind of coward would deny who he is?’ - Arthur objecting to change of clothes?, missed Agravaine about Arthur
‘It’s the perfect disguise!’ - Merlin to Arthur, trying to convince him, got it - but not convincing rather explaining
“Whatever you say, I’m entirely in your hands” - Arthur to Merlin, it's so sad, hope not, got it - it was sad
“Welcome home Merlin” - Hunith, got it
“******* **** Merlin” - Welcome home Merlin, got it
Arthur finally realises Merlin was right all along - finally
The King begins to wonder just why he's so unpopular. - learns about Agravaine betrayal, got it
"It seems your worst fears have been realised, Merlin." - hope that it's Arthur to Merlin, but not sure, missed Gaius to Merlin
Morgana uses Gwaine for her personal entertainment and he has to fight for more than his life - not going to elaborate, well it was about forcing him to fight
“******, so handsome, so selfless. Of course you shall have some supper, as long as you are prepared to sing for it” - Gwaine, got it
Don't mess with Gwaine - especially when he's tired and hungry. - it was scary
There’s two happy reunions, but they don’t happen until the end - Arthur/Gwen, Merlin/Hunith, got it
“I missed you” - Merlin to Hunith? or It's Arthur/Gwen moment, got it - Gwen to Arthur
There's more than one reunion on the cards!, got it
More than one reunion happens in Ealdor., got it
No sign of The Great Dragon or baby Aithusa - expected

Arthur is a tree-hugger. - it wasn't that funny as many think
Arthur hugs it out with a new special friend.
"No-one likes to be called fat." - Arthur, got it
“Are you saying that I’m fat!” - Arthur?, got it

"Sorry Merlin - some of these things are a little on the tight side!" - Arthur to Merlin, got it
“Without me he wouldn’t last a day” - Merlin, I about T - like it much more, it was Merlin after all 

Can't place 

‘I was enhancing it for comfort and ease of use.’ - could it be about belt?, got it

“Easy now, we don’t want anymore holes in that belt!”, Merlin to Arthur
“That doesn’t explain why I look like a ******* *****!” , village idiot

“You look like a turniphead!” - Merlin to Arthur?, got it
“Are you suggesting magic?” - but maybe it's enchanting Arthur?, got it
“It must be hard to be so ugly”, Gwaine - missed it