The Derek-centric Grey's Anatomy Season 10 Episode 6 was an instant classic.
McDreamy, who narrated the episode, and Callie teamed up for a brain-mapping project, while Richard proposed that his condition be used as a learning tool.
Elsewhere, Meredith contemplated continuing her mother Ellis' acclaimed research. Moreover, feelings of guilt about Heather's death continued to plague Shane.
The interns continue to take up screen time, and medicine sometimes seems like a lesser focus, but all in all, the episode kept the season's solid momentum going.
Did you miss it? Want to relive it a second time? Either way, click below: