As the ghosts wake up , they realise the Ectoplasm Eating Bacteria was a con .
Oliver happily opens up the Hall to any ghosts needing a home , running it as a tourist attraction and a paranormal research institute .
As the ghosts wake up , they realise the Ectoplasm Eating Bacteria was a con , and Oliver happily opens up the Hall to any ghosts needing a home , running it as a tourist attraction and a paranormal research institute .