ALIEN ENCOUNTER was notable for its clever use of a heckling guest on the binaural soundtrack ("That's my mother-in-law!"). It's likely the voice was added to soften the intensity of the experience for kids or otherwise jumpy guests. After all, how harmful could an attraction be if other people experiencing it are laughing and cracking jokes?
Are there any other attractions which feature "canned" guest reactions?
Are there any other attractions which feature "canned" guest reactions?