Rogers and Bob Trow make paper weights from seashells and plaster of Paris. He explains shapes and different kinds of seashells.
In the NOM, King Friday XIII notices that Bob Dog reminds him of Robert Troll. Robert Troll visits with the new baby platypus and gives her a gift of a seashell. X and Henrietta are going to visit the new platypus.
Songs: Won't You Be My Neighbor?, I Need You, Ornithorynchus Anatinus, Tomorrow.