Can Navid make his undercover assignment work? He practices in this clip from the final 90210 episode of 2011.
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Who will be naughty and who will be nice? Watch the official CW promo for the final episode of 2011 now.
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90210 Season 4 Episode 12 Quotes

Who would've thought dating a professor would be so much fun?

Silver

Why are you dressed like an extra from 'Brokeback Mountain'?

Holly [to Austin]