Naomi, sick of hiding her relationship with Max and afraid he might be cheating on her, follows him to an academic decathlon event, to confront him. Silver begins to behave erratically, which worries Navid and secretly pleases Adrianna. Watch free, streaming full episodes of 90210 on cwtv.com. 90210 Video: Watch 90210 full episodes, previews, clips, interviews and more video. 90210 on The CW is an edgy, contemporary spin-off of the iconic drama Beverly Hills, 90210.