Sherlock's like the youngest child, who's a bratty teenage girl the parent's can't stand, Doctor Who is everyone's favorite perfect college student child, and Merlin is like the child about to shuttled off to military school for life.
Lilo & Stitch family quote: "This is my family. I found it, all on my own. It's little, and broken, but still good. Yeah, still good. (Lost, Harry Potter, Buffy the Vampire Slayer, Lost Girl, Sherlock, The Big Bang Theory, Doctor Who-9 & Rose, Supernatural, Game of Thrones, The Hunger Games, Doctor Who-10 & Donna, Doctor Who-11 & River, The Lord of the Rings, Avengers, Firefly)
The 50 Best, Worst, And Weirdest Examples Of Doctor Who/Sherlock Crossover Fan Art