This is based on the pilot of Merlin, Season 1, Episode 1.

Warning: contains M/m spanking, otk, hand/Pairing Gaius/Merlin

Merlin disobeys Gaius' order to not perform magic in Camelot. Arthur taunts Merlin and then get into a street fight where Gaius sees Merlin use his magic to best Arthur anyway.

"How's your knee-walking coming along?" Arthur shouted at Merlin as he tried to go about his day.

Not this again! As Guinevere, or Guin, as she told him to call her, even confirmed Arthur was a bully, prince or not. He should teach this arrogant prince a lesson. Arthur had already had him arrested for standing up for the servant Merlin had tried to stand up for. Gaius, the court physician got him out, but the price was Arthur had to get pelted with rotten vegetables in the stocks. It could have been worse, he might not have met Guin.

The oddest thing was that Merlin kept hearing this voice call his name. Perhaps he was losing his sanity here in Camelot? He was certainly losing his patience with Arthur.

After asking Arthur how long he had been training to be a prat, they were at it again. Fighting in the streets, knocking over fruit stalls, and finally coming to a tussle in the dirt. Gaius, whom his mother begged for him to protect and teach Merlin to use his magic, saw Merlin pull a few little tricks during the brawl.

Gaius, had warned Merlin over and over again that using magic would get him killed. Now, Arthur had done it in the street and against the prince himself.

Arthur had won the fight, but ordered his father's men to release Merlin. There was something very different about Merlin, Arthur found him annoying, but no one had ever stood up to Arthur the way Merlin had.

Gaius, was not feeling as forgiving. Merlin's mother had begged in her letter for Gaius to watch over her son, and Gaius would honor that. Merlin might not like his methods. Just wait until he got his hands on that boy!

Later in Gaius' quarters of the castle, he finally had Merlin alone.

"How could you be so foolish?" Gaius shouted.

"He needed a lesson," Merlin snapped back. Gaius took a breath and realized that Merlin was very young and not privy to the ways of court, or the world.

"Magic must be studied, mastered and used for good. Not for pranks!" Gaius explained.

"What is there to master? I could move objects like that before I could talk!" Merlin replied smartly.

"Then by now you should know how to control yourself," Gaius yelled. This boy was a touch arrogant himself. He was going to get himself in trouble.

"If I can't use magic, I might as well die," Merlin said with passion.

"Merlin? Lay on your stomach. Take your shirt off," Gaius said recalling that Arthur was injured from the scuffle in the street. He had made a poultice to help heal it.

"Thank you," Merlin said. The scrape did hurt.

"Well, do not thank me yet. I am going to heal this pain in your should and then light one in your backside, young man. I warned you not to do magic did I not?" Gaius asked gently patching up his cuts and scrapes.

"Yes, Gaius, you did. But if I didn't do magic, then you would be dead from the fall the first time I met you!" Merlin protested.

"Yes, that is true. And I thanked you for it. But that is before you disobeyed me in this matter. Your pride is what caused you to put yourself in great danger. Do you not think that deserves punishment?" Gaius said finishing his treatment.

Merlin could not lie. He knew he could get a lot worse than a whipping if the king caught wind of his little indiscretions.

"Yes, Gaius. I am sorry. You are right. I will submit to whatever punishment you see fit," Merlin coughed out. His mother used to spank him from time to time when he put himself in danger in the village with his magical antics. Her hand was small and she never hurt him. How hard could an old man hit?

Merlin was already face down on the low pallet he slept on. He felt a rush of air as Gaius yanked down his breeches and bared his bottom. Merlin clamped his mouth shut and buried his face into his crossed arms under his head. This was humiliating. He was a warlock, not a child!

Whack!

Gaius's hand swatted him hard. Merlin's head rose up in shock and pain.

Crack! Crack! Crack!

"Gaius, p-please. *spank* I will not do *spank* it again," Merlin whined.

Smack! Smack! Smack!

"If you do, I will put you over my knee right in front of Arthur and whomever else you do magic in front of. Though, I suppose Arthur also could use a good spanking himself, but that is not my responsibility. You are. Do you understand?" Gaius lectured.

Merlin was kicking and thrashing as much as he could to avoid the harsh, stinging swats. Gaius was much stronger then he looked. The spanking continued with the swats reaching all areas of Merlin's backside and upper thighs.

"Keep your hands where they are. If you reach back, I will take off my slipper and you will not sit for a week," Gaius threatened seeing Merlin starting to reach back slightly.

"Please, stop! *swat* I am s-sorry," Merlin said. Merlin was holding back tears, but with great effort.

"How would your mother feel if I had to write back to her that you were beheaded by the King for doing pranks? Because of your bloody ego?" Gaius said paddling down harder on Merlin's upper thighs. This and the words regarding his mother finally caused Merlin to break down finally into heavy sobs.

Gaius finally stopped swatting and whispered, "There, there. It's all over, lad. You took that well. You learn your lesson?" Gaius asked gently.

"Y-yes, I am so sorry, Gaius. I-I know you are trying to help. Forgive me," Merlin wailed, sobbing into his elbow.

"It's forgiven, but I expect you to behave yourself. Arthur is a spoiled prince, but he is still the prince. You cannot get yourself killed trying to best him, no?" Gaius said patting Merlin's back lightly in the area not scraped by Arthur.

"I u-understand. You spank a lot harder than my mum, a lot," Merlin admitted finally catching his breath. His backside felt hot and throbbed with a burning pain.

"Your backside feels too hot to pull this pants back over. Let's slip them off and you will take a little nap," Gaius said shucking off Merlin's trousers completely. Merlin began to whine realizing he was naked and was sentenced to a nap on top of the licking he got received. His face flushed hotly, but his real concern was the burning he felt.

"No arguing, Merlin. My arm is not tired yet. You can very easily get another spanking tonight," Gaius warned him smacking Merlin's sit spots twice each. This time Merlin grabbed on to his bare behind and tried to rub out the sting.

Merlin promised to obey again. Gaius patted Merlin on the head and then winced at his glowing red behind. The boy was going to be reminded not to do magic every time he sat for the next few days.

"I will have some supper for you when you wake up. Maybe I will treat your bottom to some of this medicine that I used on your shoulder, if you can behave until them," Gaius smiled, taking the jar with him. Gaius covered him with a light blanket and heard him hiss when the weight touched his punished rear end.

"Gaius," Merlin called sleepily.

"Yes, Merlin," he smiled.

"Thank you for caring. And you really do have a hard hand," Merlin admitted truthfully.