When a high-level security Navy reservist is found dead, Gibbs has to deal with Dr. Samantha Ryan (guest star Jamie Lee Curtis) from PsyOps in order to uncover the truth behind a possible suicide. Meanwhile, DiNozzo gets into a dispute with accounting after seeing McGee's paycheck. Sean Astin also guest stars on "Psych Out," airing Tuesday, February 21 at 8pm on CBS.