It's funny how I see the addiction angle as more "House" than Sherlock even though "House" was inspired by "Sherlock Holmes"
The beginning of the trailer they use that shaky font thing does remind me of "Sherlock"
The sniffing of the shirt and mannerisms made me think Jonny could be a 12 Doctor.
BBC Sherlock would delight in finding that dead body
BBC Sherlock- I love it when I'm right.