Another West Beverly promo, another series of exciting developments.

Unlike Donna Martin many years ago, no student got wasted and faced suspension as a result; but Adrianna went into labor, Jen revealed a mysterious husband and Liam acted like a caring human being!

Read our recap of "Zero Tolerance" for a full rundown of events.

Click on the pics above for images from this week's episode of 90210.

Below are a few of our favorite 90210 quotes from the latest installment:

Annie: Does it ever occur to you that maybe it's not an act? That maybe I'm a nice person? | permalink

Liam [to Harry and Kelly]: Wow. Both of you. I had no idea I could expect a threesome. | permalink

Jen: [You've gotta] withhold sex to get what you want.
Naomi: What if what you want is sex? | permalink

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