Will Watson take Sherlock up on his apprenticeship on Elementary. "Dirty Laundry" is the tenth episode of the show's first season.

Elementary Season 1 Episode 11 Quotes

I've decided Watson, lessons can continue after our companionship ends. Weekly visits perhaps. You can come by and I can share my wisdom. For the exchange of light housework, of course.


[To Sherlock] Right, I'm upset with your success which by association is my success...