Elementary - Season 3, Episode 16: Soundtracks

Sherlock tells Joan he's going for a walk; Sherlock finds Oscar setting up his purse display, there Sherlock tells him about a rehab spot saved for him by Sherlock which Oscar reacts negatively to.

Sherlock talks with Watson after coming back from the police station. 

Sherlock talks to Joan about Marias case and his addiction after the interrogation at the police station