fɚðə fˈɪfθ vˈɑːljuːm, ðeɪ dᵻsˈaɪdᵻd tʊ ɛɡzˈænd ðə skˈoʊp fɹʌm ɡˈoʊsts tʊ ˈɛnɪθˌɪŋ ðæt kʊd nˌɑːt biː ɛksplˈeɪnd baɪ ðə lˈɔːz ʌv nˈeɪtʃɚ, ænd ɡˈeɪv ðə sˈɪɹiz ɐ sˈɛkənd tˈaɪɾəl: .
For the fifth volume, they decided to exand the scope from ghosts to anything that could not be explained by the laws of nature, and gave the series a second title:  ().