The team return for another 7 night investigation. Part 1: St. George's Hall in Liverpool, Merseyside, UK Part 2: Liverpool Empire Theatre in Liverpool, Merseyside, UK Part 3: Stanley Dock in Liverpool, Merseyside, UK Part 4: Central Library in Liverpool, Merseyside, UK Part 5: Samlesbury Hall in Preston, Lancashire, UK Part 6: Bidston Hall in Birkenhead, Merseyside, UK Part 7: St.