|“||"Those who see the Wild Hunt, beware, for you are already lost."||”|
- Tyler Posey as Scott McCall
- Dylan O'Brien as Stiles Stilinski
- Holland Roden as Lydia Martin
- Shelley Hennig as Malia Tate
- Dylan Sprayberry as Liam Dunbar
- Linden Ashby as Sheriff Stilinski
- Melissa Ponzio as Melissa McCall (credit only)
- JR Bourne as Chris Argent (credit only)
- Khylin Rhambo as Mason Hewitt
- Victoria Moroles as Hayden Romero
- Michael Johnston as Corey
- Benita Robledo as Deputy Valerie Clark
- Pete Ploszek as Garrett Douglas
- Susan Walters as Natalie Martin
- Marti Matulis as The Outlaw
- Alexander Ward as The Enforcer
- Kevin 'ohGr' Ogilvie as The Ranger
- Michelle Clunie as Mrs. Finch
- Claire Bryétt Andrew as Sydney
- Rio Mangini as Alex Turner
- Jennifer Carta as Mrs. Turner
- Mark Bloom as Will Turner
- Mike Polli as Cube Truck Driver
- The title is a reference to the fact that everyone who knows Stiles Stilinski has been made to forget that he exists following his capture by the Ghost Riders. It also refers to the fact that the Wild Hunt causes those who know the Hunt's victims to lose their memories of them.
- Stiles' capture by the Ghost Riders has caused Natalie Martin, Sheriff Stilinski, Malia Tate, Mason Hewitt, Hayden Romero, Scott McCall, and Lydia Martin to all forget that he exists.
- Liam is shown to have gotten his driver's license during the time-jump between Season 5 and Season 6, and is now driving a powder blue 1990s-era truck.
- The Aurora Borealis, also known as the Northern Lights, were visible in Beacon Hills in this episode and were watched by Hayden and Liam.
- It is revealed that Scott missed thirty-eight (38) classes during fall semester in Season 5, and if it had not been for Natalie Martin's endorsement, he would not have been allowed to continue to return to Beacon Hills High School for his final semester of high school.
- The song "Riders on the Storm" by The Doors is referenced in this episode due to it being a song about the Wild Hunt and the Ghost Riders.
- Liam hinted that he is interested in taking Scott's place as Alpha of the McCall Pack after Scott, Lydia, and Malia graduate at the end of the semester.
- Will Turner - erased from existence by the Ghost Riders
- Mrs. Turner - erased from existence by the Ghost Riders
- Alex Turner - erased from existence by the Ghost Riders
- Stiles Stilinski - erased from existence by the Ghost Riders
- Beacon Hills Backroads
- Cube Truck Crime Scene
- Beacon County Sheriff's Station
- Sheriff Stilinski's Office
- Holding Cells
- Sheriff's Department Impound Lot
- Beacon Hills High School
- History Classroom
- Mr. Douglas' Classroom
- Mrs. Finch's Classroom
- Parking Lot
- Turner House
- Alex's Bedroom
- "Emerald" by LYRA
- Liam and Hayden attempt to fix Liam's flat tire and share a kiss under the Aurora Borealis
- "Adventure" by Cheat Codes & Evan Gartner
- Stiles photo-bombs Malia's yearbook photos before they join Scott and Lydia at a picnic table
- "Don't Wanna Dance" by Dead Right!
- Liam, Hayden, Corey, and Mason's physics class becomes enamored by their attractive new teacher, Garrett Douglas
- "Riders on the Storm (The Doors Cover)" by Washington
- Lydia receives a Banshee premonition of a woman singing the song while she and Stiles search the Bestiary; Lydia realizes that they're dealing with the Ghost Riders of the Wild Hunt
- "Anchor (Ed Tullett Remix)" by Novo Amor
- Lydia arrives at school the next day and feels as though she intended to meet someone there, not realizing that the Ghost Riders erased Stiles from her memory (as well as the memories of the rest of Stiles' friends, family, and acquaintances)