Gabriel debriefs Philip on the members of the CIA's Afghan group, telling him their best asset is Ted Paaswell, who is selling his house and has lowered the price twice in the month. Philip and Elizabethgo to Ted Paaswell's open house posing as interested buyers. Philip excuses himself from the tour and bugs Paaswell's radio. Paaswell enters the room and takes the radio with him and Philip and Elizabeth follow him in their car. At the Rezidentura, Arkady Ivanovich tells Oleg that his father has put him up for transfer back to Moscow. He tells Oleg that the decision is his if he wishes to transfer or to disobey his father's orders. Elizabeth notices a car tailing them as they tail Paaswell. Philip gets out of the car and alerts the Centre. He returns home to Paige, where he apologizes to her for the pressure he and Elizabeth's continuing absence puts on her. The FBI discuss the pursuit; Agent Aderholt convinces Agent Gaad that they should put up a roadblock and grab Elizabeth. The KGB intercept the officers with a radio jammer, disrupting their communication with each other. The officer behind Elizabeth is crashed into and Elizabeth ditches her car. She returns home to Philip and they embrace, however, Elizabeth's tooth that was injured by Gaad previously has become too infected and must be extracted. Philip and Elizabeth go to the laundry room and Philip takes a pair of pliers and extracts the infected tooth from Elizabeth. Agent Aderholt discusses Stan's undercover time with the white supremacists. He asks what it took to fool them and Stan replies "Tell them what they wanna hear." Martha discusses with Philip them adopting a foster child. Gabriel advises Philip to stay away from Paaswell after what happened. Philip believes they can observe Paaswell. He confronts Gabriel about his and Elizabeth's intention to inform Paige, arguing that he and Elizabeth had a choice when they were recruited. Oleg tells Arkady Ivanovich that he has decided to stay. Stan watches Zinaida Preobrazhenskaya denounce the Soviet–Afghan War on television and he begins his suspicions about her intentions. Philip and Elizabeth listen to a conversation Paaswell is having with his babysitter. They decide to pass them by in their car, but overhear Paaswell rebuffing the babysitter's advances. As they pass the babysitter's house, Philip notices her father's license plate and realizes her father is Isaac Breland, the head of the CIA Afghan group.
Production
The episode was written by Stuart Zicherman and directed by Thomas Schlamme.
Reception
The episode was watched by 1.02 million viewers and scored 0.3 ratings in 18-49 demographics, as per Nielsen ratings. "Open House" received critical acclaim. Matthew Rhys and Keri Russell were praised for the tooth extraction scene. Erik Adams of The A.V. Club gave the episode an A grade. He said "There’s no mistaking Matthew Rhys’ determined countenance or the tears in Keri Russell’s eyes—this is a moment when trust is put to the ultimate test, and “Open House” conveys that trust from either side of the pliers." Alan Sepinwall called the episode "terrific", praising Russell and Rhys.
