Truth, Bitter Truth

S2 E8: Brooke, Peyton, Haley and Anna (recurring guest star Daniella Alonso) have a slumber party at Haley's apartment where secrets and lies are revealed. Meanwhile, when Lucas and Nathan take a road trip to a Bobcats game, Nathan reveals he is being tested for the genetic defect that caused Dan's heart attack and suggests Lucas do the same. After an awkward encounter with Keith and Jules (recurring guest star Maria Menounos), Karen and Andy (recurring guest star Kieren Hutchison) share an intimate night together.