On next week's all-new 90210, Ryan returns!

Also, Dixon and Silver continue to experience issues in their relationship. We can't wait!

Take a look at the following promo for "By Accident."

[video url="http://www.tvfanatic.com/videos/promo-for-by-accident/" title="Promo for By Accident"] [/video]

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