Jonny Lee Miller, Lucy Liu Jonny Lee Miller, Lucy Liu

Sherlock Holmes and Joan Watson's sleuthing may land them in jail.

When Elementary's dynamic duo try to track down a civil contractor who leaked classified information, they are targeted by a group of cyber-activists. Their investigation will land them in handcuffs, but will they end up behind bars?

Get the scoop on all your favorite returning fall TV shows

Check out an extended sneak peek at next week's episode of Elementary:

Elementary airs Thursdays at 10/9c on CBS.

(Full disclosure: is owned by CBS.)