Watch 90210 season 1 episode 17 online for free. In an attempt to get close to Liam (guest star Matt Lanter), Naomi offers to be his math tutor, but she gets more than she bargains for when he takes her out for a wild night. It turns out that Liam races and when someone tries to talk to Naomi, Liam comes over and punches the guy in the face. Silver takes a class assignment a little too far when she creates a video that documents her love for Dixon. When Silver screens the video for her fellow students, everyone, including Ryan, is shocked when they see Dixon and Silver in an intimate situation. Upon seeing the reaction of everyone around her, Silver blames Ryan for the situation. Ethan and Annie’s relationship remains rocky but more problems arise when Adrianna reveals that Rhonda (guest star Aimee Teegarden) and Ethan shared a kiss at the dance. Harry and Debbie are surprised to learn that Annie quit the school play in order to spend more time with Ethan. Episode features the song “Magic Show” by the Electric Owls.