S4, E6: Nathan approaches Dan for help with his and Haley's finances. Despite his heart condition, Lucas rejoins the Ravens, teaming with Skills (recurring guest star ANTWON TANNER). Feeling isolated and alone, Peyton receives comfort from an unlikely source. Brooke begins dating again but discovers that her new boyfriend is not all that he seems to be. Mouth gets an unexpected proposal. And an old acquaintance of Dan's, Daunte (recurring guest star basketball player RICK FOX - "Oz"), shows a sudden interest in Nathan.