Lois' pregnant sister inspires her and Peter to have another baby.
Quest roles:
Patrick Warburton(Joe Swanson (voice)), Adam West(Mayor Adam West (voice) (archive sound)), Gary Cole(Principal Shepherd (voice)), Wallace Shawn(Bertram (voice)), Mike Barker((voice)), Shawn Pyfrom(Oliver (voice)), Majel Barrett(Ship Computer (voice)), Carol Kane(Carol (voice))