Rob's newly religious sister Sidney visits from the US, and a child's accident at school reveals a surprising teacher-pupil rapport to Sharon

Cast: Sharon Horgan, Rob Delaney, Ashley Jensen, Mark Bonnar, Michaela Watkins, Daniel Lapaine, Kai Alexander, Geoffrey Burton, Serena Evans, Emily Lloyd-Saini, Catherine Skinner, Carl Robins, Marty Cruikshank, Lance Bremmer, Woody Norman