Annie turned 16 last night, Kelly returned from an attempt to salvage a relationship with Dylan and Adrianna learned a secret of Navid.

But a surprise at the end of the hour left viewers holding their breath when the 90210 credits rolled on "Games People Play."

Read our full 90210 episode guide now and let us know what you thought of the twists and turns.

Discuss the latest developments in our 90210 forum!

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