The Salem Witch Hunt (S02E04)

As Wyatt secretly departs the bunker to confront a shocking reality, Lucy, Rufus, and their reformed foe, Garcia Flynn, pursue the Mothership to the era of the Salem Witch Trials. Their mission is to stop the execution of a determined young woman who is revealed to be the future mother of one of America's most influential figures – the unborn Benjamin Franklin. When Lucy finds herself accused of witchcraft, the group unites to rescue both Abiah and Lucy, along with all the other women facing similar fates.