sentences:  In season six, Gigi returned as Mouth's intern, causing trouble in his relationship with Millicent.Ian Banks (Psycho Derek), portrayed by Matt Barr in season four, was Peyton's online stalker, and had an obsession with her.Ian pretended to be Peyton's brother Derek in order to get close to her, but when she found out the truth about him he attempted to rape her and was stopped by Lucas and the real Derek.