I was going to add this to the end of chap 3, but I just kept adding more to it until it was a chapter in its own rights. Arthur, Merlin and Morgana are a bit OOC... but it should be fine.

A big thank you to everyone who has been reviewing this story so far - and congrats to those who've figured out who's who!

Oh, and the last part is inspirired by the song 'Beer is Good'. Go listen to it. It's probably the weirdest song in existence.

Enjoy!

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"Merlin?"

"Yeah?"

"You awake?"

"No, I'm only sleep talking."

Arthur sighed, rolling onto his back to stare at the ceiling. "Merlin, must you be so sarcastic all the time?"

"Okay, that's just plain scary." Out of the corner of Arthur's eye, he saw Merlin in Morgana's body prop himself - or was it herself? - up on one elbow.

"I mean, how do you make Gwen's voice sound like that?" Merlin continued in Morgana's voice, brushing back a strand of dark hair. "It sounds just like your normal one."

Arthur sighed, continuing to focus on the ceiling. "When you've spent most of your life trying to get that tone right, it comes fairly easily." Gwen's voice lost its commanding accent as Arthur spoke.

Merlin nodded; as he did, Morgana's hair fell back over his face. He brushed it away once more.

Earlier in the day, before the switch, Morgana had arranged for a bed to be made up in her room for Gwen. This often happened when there was a risk of Gwen staying late, and usually being too tired to walk home. In the past, Arthur had laughed at Morgana for letting Gwen share her chamber. Tonight, he was grateful for it. Arthur didn't want to spend the night in the village, let alone have to pretend to Gwen's father that he was Gwen.

"So," Arthur asked, trying to make conversation. "How was the feast for you?" He'd left early, still irritated that he hadn't been able to sit in his usual chair, not to mention the fact that his father didn't recognise him. Merlin had left about ten minutes later. According to Merlin, Morgana and Gwen had still been in the hall.

"I spent most of it trying to stop Morgana's sleeves getting in the soup," Merlin replied, a half-smile on his face. "Honestly, why wear a dress if it's not practical for the occasion?"

"Well, at least Gwen's dress had short sleeves." Arthur rolled onto his side so he could talk face-to-face with Merlin. "I'm going to remain eternally thankful to Gwen because of that."

"Dresses, huh?" Merlin grinned. "Who needs them? In the future, women as well as men will probably wear trousers."

Arthur rolled Gwen's eyes. "Oh, and I suppose women will also become knights?" he replied sarcastically.

Merlin shrugged. "Maybe. If other women were as pleased about battle training as Morgana, then it's possible."

Arthur sat bolt upright. "Battle training?!" he yelped. "I forgot, it's tomorrow!"

Surprised, Merlin sat up too. "I wouldn't worry about it," he said quickly. "Morgana will be great at it, I'm sure."

Arthur placed Gwen's head in his hands. "I'm doomed," he groaned, Gwen's hair fluttering around his shoulders.

"I think you're being a bit melodramatic," Merlin tried to comfort him. "Morgana's seen you fight. She'll know what to do."

"Yeah, right."

The two fell silent; Arthur curled into a ball as he dreaded Morgana's attempt at battle-training while Merlin-in-Morgana's eyes boring into him.

"Hey, Arthur - I don't remember Gwen wearing a nightgown," Merlin finally said, Morgana's eyes narrowed.

Arthur glanced down at himself. Soon after he'd walked into the room, he'd found a spare nightgown and decided to swap it for Gwen's dress.

"I got changed."

"See?" Merlin exclaimed, half in triumph, half in annoyance. "Ever since the switch, Morgana's been nagging me about her body, and what do you do? Check out Gwen's at the first opportunity!"

Gwen's cheeks darkened. "If you must know, my eyes were shut the whole time."

Merlin raised Morgana's eyebrow. "And you expect me to believe that?" He gestured at the body he was in. "Look, I'm sleeping in Morgana's dress. I'm not taking it off. I'm respecting her body, just like I want Gwen to respect mine."

"I'm respecting Gwen's body!" Arthur shot back. "Besides, I didn't fully change. I…" He averted his eyes. "I left Gwen's undergarments on, okay? They're uncomfortable, but I didn't want to…" Gwen's voice trailed off.

Merlin stared at Arthur, a mixture of shock, horror and disbelief on Morgana's face. "Arthur? Please. Don't go into detail."

His cheeks still burning, Arthur nodded slightly.

"Well, other than that…" Merlin lay back down on Morgana's bed, tugging the covers up. "There is one good thing about this."

"How can you find something good in this?" Arthur demanded. "I'm stuck in the body of a serving girl, Morgana's in my body, you're in Morgana's, Gwen's in yours… and did I mention I was in Gwen's? What good thing is there?"

Merlin gazed up at the ceiling, wincing. Quietly, he said "Well, at least we won't have to bother about shaving in the morning."

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Morgana staggered against the doorframe, giggling. "Boy, who knew that ale was so good in large doses?"

Gwen gently grasped Morgana's shoulders. Merlin's body, Gwen had quickly realised, was stronger than it looked, and she had little difficulty pulling Morgana-in-Arthur upright.

"Hey, Merlin!" Morgana grinned like a maniac. "Whatcha doing here?" Before Gwen-in-Merlin could reply, Morgana glanced down at herself. "Cool. I'm Arthur. But I'm also Morgana. So who am I?"

"Time for sleep," Gwen said firmly, holding onto Morgana's shoulders and steering her towards the bed. Morgana giggled again.

"That's Arthur's bed. Am I going to sleep in Arthur's bed? He won't like that."

Morgana was totally, completely drunk. As the feast had neared its end, Gwen had glanced over at Morgana-in-Arthur to see her slumped back in Arthur's chair, swallowing several pints of ale at once while Arthur's friends cheered her on. It was at this point when Gwen-in-Merlin walked over, dragged Morgana away from her fans and somehow managed to steady her as she stumbled from side to side, giggling like crazy.

As Gwen couldn't help but think with a small smile, it was probably the only time Arthur had ever giggled in his life.

"Now, Morgana," she said calmly, pulling back the sheets before pushing Morgana onto Arthur's bed. "It's time for sleep."

Morgana clutched at the sleeve of Merlin's shirt. "But I can't sleep," she whispered, Arthur's voice sounding scared. "Please stay?"

Gwen sighed. "Alright, then." She tugged the blanket over Morgana-in-Arthur and settled down on the edge of the bed. "Just for a little while."

Morgana wriggled slightly, pulling the blanket up tighter. Gwen guiltily realised that she was still fully dressed in Arthur's clothes, but decided not to do anything about it. The real Arthur, or a sober Morgana, would be the only ones responsible for changing Arthur's outfits.

A protective, motherly feeling enfolded Gwen as she watched over Arthur's sleeping form. Yes, it was Morgana's spirit, but there was also something strangely comforting about being next to Arthur's body. Maybe Merlin's instincts were kicking in - Gwen knew that he was utterly devoted to the young prince.

Hesitantly, Gwen reached out and smoothed Arthur's ruffled blond hair. Well, whatever the reason, she felt peacefully content.

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