Before dealing with the final problem of Moriarty, Sherlock has a long night dealing with his own doubts and fears.

Sherlock Winter Sports Challenge: Sherlock Holmes is in strong contention for a medal in the Men's Single Luge at Sochi after recovering from a bad crash two years ago. When a fellow luger dies on the track, he suspects sabotage. Under the pressures of competition, but with the support of his new partner, can he find out who is responsible and still win the gold? (AU)

Before Mrs Hudson had to deal with Sherlock Holmes and the mess from his experiments, it was the family housekeeper. But neither woman could stay mad at the mess for very long.

Whilst helping to plan John and Mary's wedding, Sherlock leaves no detail to chance. He applies his chemistry skills into an unexpected gift for Mary.