Barney tries to make his life seem more exciting as he bonds with his father (John Lithgow); Robin encounters a guy she likes.
Ben, Leslie and Chris go to San Francisco for a National Parks conference; Tom opens his restaurant; Leslie is faced with a decision.
Caroline attends her former nanny’s funeral, thinking the family will be honored to have her; she quickly learns, however, that they have no idea who she is.
Ron has another encounter with Tammy 2 (Megan Mullally); Leslie makes a big decision about the future.
Trip pleads with Bree to tell him about the night of Alejandro's murder; Susan tries to keep the sale of her house private until she can tell her friends; Katherine Mayfair returns with a job opportunity for Lynette.