During their conversation, Joanna (Stephanie Corneliussen) and Tyrell (Martin Wallström) speak Danish and Swedish, respectively. The closed captions for the episode incorrectly identify both languages as Swedish.
Towards the end of the episode, Gideon (Michel Gill) uses his smartphone, displaying the time as 9:40 pm. This occurs during the 40th minute of air time (excluding commercials). "Mr. Robot" airs at 9pm central time.
Windows 98 is a Microsoft computer operating system released in 1998, and used by Elliot (Rami Malek)'s primary care facility. With extended support ending in 2006, the hospital's operating systems have not had security updates for almost a decade, making them "almost too easy to hack."
The picture of the dog shown being liked on Instagram is from the page of creator Sam Esmail's girlfriend, Emmy Rossum. The dog is called Cinnamon.
Tyrell (Martin Wallström) installs Flexispy, a phone spying software, onto Anwar (Mitchell Winter)'s phone after seducing him.