In the scene around 28:40, Wynonna punches one of the teens in the face. The person who played him was the Stunt Coordinator's son who told Melanie Scrofano (Wynonna Earp) to actually punch him, so she did.
As of the date the series ended, Waverly's cheer-leading dance for Nicole had 430,000 views on YouTube.
Katherine Barrell (Nicole Haught), Tamara Duarte (Rosita Bustillos) and Patrick Kwok-Choon (Perry Crofte) have both previously worked together on the movie, My Ex-Ex (2015), playing Mary, Becky and Dan respectively.