Character mistake: Watson says that there are fifteen windows on the front of 221B Baker Street, but if you look, there are only twelve.
Without a Clue (1988)
1 character mistake
Directed by: Thom Eberhardt
Starring: Michael Caine, Ben Kingsley, Jeffrey Jones, Paul Freeman, Lysette Anthony
Character mistake: Watson says that there are fifteen windows on the front of 221B Baker Street, but if you look, there are only twelve.
Holmes: I couldn't detect horse manure if I stepped in it.