This page contains trivia for "HappyHolograms". Remember, trivia must be factual, provable, and it is always best to cite your source for not-so-obvious trivia. If you would like to dispute a trivia point, please discuss it in the talk page.
Trivia
- This is the first Christmas themed episode since Season Eight.
- The police making racist jokes and bullying minorities references the Fergusson Missouri case.
- The hologram of Kurt Cobain loads a shotgun and briefly holds it up to his mouth, referencing how he committed suicide.
References to Popular Culture
- The hologram plot references The Terminator; the police station chase, the theme music.
Continunity
- The episode brings back many plots and characters from all of Season Eighteen.