The Good Mom - "Mom's" the word when Mrs. Pteranodon meets fellow mom The Good Mom - "Mom's" the word when Mrs. Pteranodon meets fellow mom Millie Maiasaura, who is a little too over-protective of her kids. Millie Maiasaura, who is a little too over-protective of her kids. The two moms compare mothering methods in a play date at the Big Pond. The two moms compare mothering methods in a play date at the Big Pond. Hornucopia! - At the Big Pond, Tank introduces the Pteranodon family Hornucopia! - At the Big Pond, Tank introduces the Pteranodon family to his friend, Stacie Styracosaurus, a fellow Ceratopsian with a to his friend, Stacie Styracosaurus, a fellow Ceratopsian with a crown of elaborate horns on her head. Everyone attends Stacie's crown of elaborate horns on her head. Everyone attends Stacie's "Hornucopia" celebration, where she reveals her new big horns and "Hornucopia" celebration, where she reveals her new big horns and then performs a moonlit shadow show with her Styracosaurus family. then performs a moonlit shadow show with her Styracosaurus family.