Like the previous episode where Cupid was the primary adversary, Draw Back Your Bow (2014), the opening title is altered, with the arrowhead behind the word ARROW is changed to Cupid' s red heart shape.
At 22:09 Felicity says to Diggle "Et tu John" which is a play on "Et tu Brutus" which Julius Caesar said as is former associate stabbed him.
When Thea says, "Gives a new meaning to crazy ex-girlfriend," it is a reference to the CW Show, Crazy Ex-Girlfriend (2015).
Thea calls Felicity "Felicity Scissorhand's" a reference to the movie and titular protagonist Edward Scissorhands (1990).