Neither of them can remember what happened last night, but it can be quite easily deduced. John comes to some realisations and Mycroft wins a bet.

Mycroft Holmes never knew that appearance of DI Lestrade in his life would bring so many changes. The last change was Mycroft realizing how important every little change was and how many of them were to follow, each making him happier.

When a minor investigation turns into a Weeping Angel situation, all you need is a Doctor! And an Amy Pond. Good thing, they were hanging around a crypt when Sam and Dean arrive.

Ep2 spoliers! Sherlock was nearly strangled to death while at Soo Lin's flat. When, on an occasion a couple of days later, he takes off his scarf, John notices the bruises. John/Sherlock

Sometimes the joke gets funnier the more you tell it. Sequel to "Two Doctors, a Nurse, a Detective and a Scot". John/Sherlock.

Stop me if you've heard this one... John/Sherlock

Sherlock is diagnosed with a terminal illness. Warning: angst like whoa.

John Watson spends seven years at Hogwarts School of Witchcraft and Wizardry, where he meets the boy who will become the greatest man he'll ever know. Eventual John/Sherlock.