The Mallpisode

Plot:

The gang get the chance to have a few heart-to-hearts when they're accidentally locked in a mall for the night. Marissa and Summer catch up about the state of their current love lives, while Seth tries to help Ryan get over Lindsay's departure. Meanwhile, Julie receives a visit from a figure of the past, Alex questions her relationship with Marissa, and Sandy is determined to right his wrongs with Kirsten.