From Sparky Dorian - Holmes gets de-aged to five for a day.
"Holmes! Holmes! You better listen to me, young man!" Watson cried. "Curse you, Sparky Dorian," he muttered. "Curse you, Wordwielder!" He was usually quite tolerant of the fanfictioners December fun, but de-aging Holmes? He was even more hyperactive as a child than he normally was!
"Watson," Holmes sing-songed, "Look! I mixed this with this and it'll—"
The resounding boom finished his explanation.
"Holmes! You need to sit! You can be quiet, can't you? You won't destroy things?"
Holmes poked Watson. "The man at the next table at lunch today was cheating on his wife, so I told her. I deduced it. She was very upset. So was he. Didn't I do good, Watson?"
"Wonderful, Holmes," Watson groaned. "Let's go get a cookie."
Holmes' eyes lit up. "Cookies!"
"God give me strength," Watson prayed.
*Chortles* Wow, I thought that would be so hard to write...NOPE. That was enormously amusing to me and hopefully you guys too!