Prepare for a dramatic return of 90210 on January 17, fans. (Yes, it's January 17, despite that the promo reads below.)

Following a 2011 finale that left one character's life in the balance, this drama ratchets up the intensity with "Should Old," an episode that features the return of a recurring character especially important to Navid.

Find out who it is at the conclusion of the following CW preview:

What grade would you give 90210 so far this season?

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.