Ghosts & Ghouls is the seventh episode in Season 2 of A High School Rockstar. This is a halloween special, with the episode airing on a Wednesday, instead of its usual Saturday time slot. It aired on October 31, 2012.
Vira Emp returns on the night of Halloween to haunt Austin and his friends to get revenge on them. Vira sends a cloud of chemicals over the mall of miami, causing a chemical rain and anyone exposed to this rain turns into a zombie, a vampire, or a beast. Now, they must find a way to save these innocent people and put an end to Vira's evil plans.
- Ross Lynch as Austin Moon
- Laura Marano as Ally Dawson
- Calum Worthy as Dezmond "Dez"
- Raini Rodriguez as Patricia Maria "Trish" De La Rosa
- Spencer Boldman as Aaron Moon
- Stefanie Scott as Lexi Reed
- Jack Griffo as Tyler Fox
- Andy Milder as Lester Dawson
- Garrett Backstrom as Zac Helm
- Anna Maria Perez De Tagle as Jennifer Mane
- Nick Merico as Nick Cross
- Jennifer Veal as Vira Emp
- Don Creech as Mr. Stein
- Brooke Dillman as Mrs. Stonehead
- Cameron Deane Stewart as Ethan
- Aaron Renfree as Laith
- Adam Gregory as Oscar
- Patrick Gallagher as Mr. Stilinski
- Veronica Dunne as Emily
- Nina Dobrev as Amber