This week's episode of 90210 was focused on a singualr task: find Silver.

Other developments - such as Adrianna's realizing that she could be a parent; and Annie realizing that she's been a jerk - took place along the way, but the goal of all character was to track down their troubled friend.

Did they succeed? And what did one of them determine about Silver? Find out now in our detailed recap of "Off the Rails."

Relive the hour with the following 90210 quotes from this new installment...

Silver: I was gonna go to Kansas because Kansas equals Dixon. And Dixon equals baking soda. | permalink

Ethan: Annie, things haven't been good. We haven't been happy. | permalink

Silver: How do you understand how anyone becomes who they are? You have to go back to the past... every moment is connected to a million other moments. | permalink

Ryan: You can't blame yourself.
Kelly: Why not? You did. | permalink

Debbie: You had sex?
Harry: You made a movie of it? | permalink

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