2. In The Great Game, the TV sys that Connie Prince was 48 when she died. Later, hen Lestrade brings sherlock in to examine her body, he says she is 52.
3. No one died in The Reichenbach Fall.
4. There is always a smiley face painted on a surface in the last episode in a season.
5. The explanation Sherlock told Anderson on how he survived was wrong, continuity wise (I'll make a post on that later).
6. Sherlock and john's porn preferences are both normal.
That shall be all.