22,000 leagues under the sea were my first

I rewatched Elementary 1x09 and realized how hilarious this scene here is:

Bell trys to communicate with a group of men who are exclusivly speaking Mandarin. Sherlock and Joan are standing at the side, only watching how he desperately tries to find a way to communicate.

The thing is, later in the season it is revealed that both Sherlock and Joan speak Mandarin. Which means the scene goes basically:

Joan: “Shouldn’t we help him?”

Sherlock: “Nah.”