Victorian Undead horde of zombies. Being driven to a corner while learning that shooting the zombies in the head will effectively dispatch them, Holmes and Watson are saved by the arrival of heavily armed and armored Royal Marines led by the former's brother, Mycroft Holmes. After saving Holmes and Watson, Mycroft escorts them to the surface and proceeds in providing them answers. As Holmes and Watson are being escorted, Sebastian Moran spies them from afar and travels to Whitechapel, where he reports his news to his master - an undead Professor Moriarty. At the Diogenes Club, Mycroft debriefs Holmes and Watson of
The Adventure of Sherlock Holmes' Smarter Brother accompanied by a disguised Sherlock and Watson. Wilder was having lunch with producer Roth when it was suggested that Wilder spoof Sherlock Holmes. Roth approached Wilder again a week later and inquired if Wilder had given any more thought to the idea of a Sherlock Holmes film. Wilder replied "No, but I have given a great deal of thought to Sherlock's insanely jealous brother Sigi." In his autobiography, Wilder explained that he was further motivated by the experience of working with his "Young Frankenstein" co-stars Madeline Kahn and Marty Feldman and he wanted to write parts for both of them