The Serpent's Tooth is a 1917 American silent drama film starring Gail Kane from the stage and released through the Mutual Film company.

[1] Like many American films of the time, The Serpent's Tooth was subject to cuts by city and state film censorship boards.

The Chicago Board of Censors, because of the plot involving drug use, gave the film an "adults only" permit and required cuts in Reel 1 of the first view of a woman in a low cut gown and two closer views of the same; in Reel 3 of the intertitle "You make her use it.

and the shot of man putting drug into the woman's medicine; in Reel 4 of the intertitle "You say you couldn't get any more.

"; and in Reel 5 of the intertitles "Your damned lover is a liar."