While Gunmar searches for the Staff of Avalon, Jim and Toby head into the Shadow Realm to rescue Claire's spirit and return it to her body.
- Kelsey Grammer as Blinky
- Emile Hirsch as Jim Lake Jr.
- Charlie Saxton as Toby Domzalski
- Lexi Medrano as Claire Nuñez
- Jonathan Hyde as Mr. Strickler
- Fred Tatasciore as AAARRRGGHH!!!
- Ike Amadi as Angor Rot
- Clancy Brown as Gunmar
- Lena Headey as Morgana
- Amy Landecker as Barbara Lake
- Frank Welker as Goblins
- Angor Rot is officially resurrected by Morgana.
- Claire is freed from Morgana's control, but the witch is close to being revived.
- The title is a reference to the 2005 horror film The Exorcism of Emily Rose.
- Additionally, in the first scene where Strickler arrives at Claire's house, it is dead night and with lights illuminating from Claire's window. This is a scene replication of the horror film The Exorcist.
- Archived scenes from Parts One and Two are shown when Toby turns on the television at the Nuñez house within the Shadow Realm.
- Along with the usual grunts and yells, Anton Yelchin provides the dialogue for Jim in these archived scenes.
- This is the episode that reveals that Morgana created the Changelings all those years ago.
Community content is available under CC-BY-SA unless otherwise noted.