Don't Worry Speed Racer

S4 E13: Jake tells Charlie and Alan that he often overhears Judith and her fiancé, Herb (recurring guest star Ryan Stiles), having sex, and he formulates a theory as to why his mom constantly gives Herb directions in bed. Meanwhile, Rose (recurring guest star Melanie Lynskey) helps Charlie work through a disturbing repressed memory, triggered by Jake's revelation.