Horizon1984Episode 10 Episode · S21E10Signs of the Apes, Songs of the WhalesHorizon · 1984 26/03/19841 h 00 min Jetzt ansehen Herunterladen Enlace patrocinado Horizon investigates the linguistic potential of non-human species. EpisodentypEpisodio regular ← Vorherige Episode Alle Episoden Nächste Episode →