Hey, if Steven Moffat is looking for ideas for Sherlock season 4:
1) Sherlock becomes a nudist for a case
2) Moriarty kills Tom with a meat dagger
3) It’s revealed Mycroft’s umbrella lets him fly, Mary Poppins-style.
4) Lestrade moves to America and joins Ferguson PD. He convinces them that eating donuts and being lazy is better than killing and tear gassing people.
5) Molly becomes a ninja.
it’s revealed mycroft is actually hagrid