1. Before he heads out to the training grounds, tell him his armour looks kind of big.

2. Then mention how it looks quite dull.

3. Ask him if he's made his daily quota for yelling at people yet.

4. After number 3, tell Arthur that he count you in his daily quota.

5. Ask him to pout for you.

6. Go up to Morgana when Arthur's within earshot and say, "Doesn't Lancelot have nice hair? He's so much cuter than Arthur!"

7. For added effect on number 6, add "Lancelot isn't a prat, either!"

8. And if you want to be REALLY mean, add "No wonder Merlin likes Lancelot better!"

9. During a conversation with...

“It’s not a very steady ride,” Arthur Pendragon – the good looking prince of Camelot – said, picking himself up off the floor of the TARDIS for the sixth time.
“It’s got too many buttons,” the Doctor replied. He smacked a big, green one and everyone fell over. “Ha! Everyone off.”
They all clambered out of the TARDIS and Merlin looked around in awe. “We actually moved. This is so flipping awesome!!!”
“We’re at the northern borders,” said Arthur. “The monster could be anywhere around here.” A branch snapped behind him and he spun around, whipping out his sword....

“I find that we have a sorcerer in Camelot, Sire. My friend Aredian had been right, that magic is indeed in Camelot.” Bayard said his eyes small and depthless. This new Witch finder was better than Aredian, yet just as evil at the same time. “Go on.” Uther said, leaning forward. “I have found the sorcerer! She is indeed in this room among us.” I look at Morgana, her green eyes wide, her face pale, as she fidgets in her chair. Oh no. Bayard points a thin finger at her. “The Lady Morgana, is the Sorceress of Camelot.” Oh god, help her. Uther glares at her. “Is this true?”...