On the final two weeks of 90210's first season, look for a prom, a baby, a possible death and a fight between Navid and Ty.

Safe to say, it's gonna be an explosive pair of episodes.

Get an early look at the climactic scene in "Zero Tolerance" below, as Navid steps up to Adrianna's baby daddy. Take him down, N-Dawg!

[video url="/videos/90210-fight/" title="90210 Fight"][/video]

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