S3, E11: Summer, Seth and Ryan launch a campaign to get Marissa back into The Harbor School, and Johnny (recurring guest star RYAN DONOWHO) struggles between a friend's happiness and his own feelings. Meanwhile, Sandy must make an ethical decision that could change Marissa's fate, and Summer's father, Dr. Neil Roberts (recurring guest star MICHAEL NOURI), and Julie are apprehensive about admitting to the lies they have told their daughters.