30 Rock 5x09 "Chain Reaction of Mental Anguish"

Jack recommends that Liz start seeing a therapist when she worries that Carol is getting bored with their relationship. In an attempt to take Jack's advice, Liz begins talking to Kenneth about her problems. Jack also finds himself caught up in one of Tracy's schemes when Tracy tries to convince him to invest in his son's theme restaurant in Times Square. Meanwhile, Jenna and Paul celebrate their six month anniversary.