Continuity mistake: Charlie, disguised as a tree, enters a pipe to escape a German. When the German tries to pull Charlie out he separates the lower part of the tree costume along with Charlie's shoes. When Charlie emerges from the other end of the pipe he is still wearing shoes.
Shoulder Arms (1918)
1 mistake
Directed by: Charles Chaplin
Starring: Charles Chaplin, Edna Purviance, Loyal Underwood, Syd Chaplin
Officer: How did you capture thirteen?
Recruit: I surrounded them.