Phil Coulson is given a Hydra ID with the name "Jamie Flugelman." The Merriam-Webster dictionary defines the last name as:
1. A trained soldier formerly posted in front of a line of soldiers at drill to serve as a model in their exercises.
2. One at the head or forefront of a group or movement.
During the commercials before the credits of the episode, an advertising of L'Oreal Hydra Genius Liquid Care, a blue liquid soap, was aired.
The plaque that Agent May reads at Hydra headquarters says: "IN REMEMBRANCE OF The two hundred seventy-nine innocent souls who lost their lives in The Cambridge Incident. While they perished at the hands of evil, the fight for justice will go on forever in their names."
Adam Kulbersh returns as Hydra lab tech Kenneth Turgeon, who previously appeared in Making Friends and Influencing People (2014) and A Hen in the Wolf House (2014) as a coworker of Jemma's while she was undercover at Hydra.
When Fitz is telling Madam Hydra that Daisy will not give up her story, he uses the phrase, "Nevertheless, she persisted." This was a common phrase used during the marches of early 2017 to push back on the hindering of women's rights, originating as an admonishment of Senator Elizabeth Warren by Senator Mitch McConnell for speaking on the Senate floor.