Smilodons are minor characters that appeared in the Primal episodes, "The Night Feeder" and "Echoes of Eternity" One of them appeared as a stuffed figure in "The Primal Theory". In "The Night Feeder", one was mercilessly slaughtered by a mysteriously monster that comes out and kills its victims at night. But in "Echoes of Eternity", they appeared as a pack where they attacked Spear's clan and mauled his father.