Garrett's wife, Stacy, is played by Erin McGathy, the then wife of co-showrunner and creator, Dan Harmon.
Several times through the episode, Abed calls out on the characters "Jimming" or "doing a Jim". This is a reference to The Office (2005), where Jim Halpert would glance at the camera to express his emotions.
Amanda Lund, who played Andi in the wedding party, and Matt Gourley, who played "episode writer" Briggs Hatton, would marry in real life two years after the episode aired. To the best of their knowledge, they are not cousins.