Considering that he is see-through and floats above his chair, Nina and her friends--along with the other ghosts at school--are convinced, and worried, that the new boy at Ghostville Elementary is a ghost.
Mr. Morton's third grade class plans to turn the school basement into a haunted house for guests at Fright Night, but they must first convince the real ghosts to get lost.
When a movie director wants to make a horror film at Ghostville Elementary, the school's ghosts decide that they would like to help, but the results could prove disastrous.
Mr. Morton's fifth-grade class takes a trip to the Blackburn mansion when Andrew announces that his family has purchased the property and intends to tear it down.
Jeff, Cassidy, and Nina purchase some great props for the school play from a sale at the old Blackburn Mansion, and unwittingly bring back some ghosts that are trying to steal the spotlight.