Debs says her pregnancy test costs $20 but when she and Lip leave after talking to Charlie, there's a sign on the wall stating that pregnancy tests are free.
Barb (Lea DeLaria) compares Lip's (Jeremy Allen White) life to an episode of Gossip Girl (2007). Jessica Szohr, who played Vanessa on that show, appears as Nessa in this episode.
Ford takes Fiona on an architectural tour of Chicago, taking her to the Yale building (6565 S Yale Ave); the Robie House (5757 S Woodlawn Ave); the Midway Plaisance (under the railroad overpass and near the Univ. of Chicago/59th St station); The Schulze Baking Company building (40 E Garfield Blvd); and the "Fountain of Time" in Washington Park. All of these locations are on the south side of Chicago.