It's revealed in this episode that Cameron had been using her father's first name. Her real name is Catherine Howe.
Cameron stares at the paintings inside the venture capital office, with the picture being shot from behind. This is likely a throwback to a similar scene from Ferris Bueller's Day Off (1986) with Cameron Frye (Alan Ruck) after who her character was named.
Gordon receives a call from Principle Hawkins after the school thinks that the kids were trying to be kidnapped by Stan. Stan is played by Randy Havens, who also plays Scott Clark, the science teacher on Stranger Things, which takes place in the fictional town of Hawkins.