Overview: During an archeological dig, Cornelius uncovers an ancient, human-made book entitled 'A Day at the Zoo'.
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First Air Date: Sep 06, 1975Last Air date: Nov 29, 1975Season: 1 SeasonEpisode: 13 EpisodeRuntime: 30 minutesQuality: HDIMDb: 6.65 / 10 by 54 usersPopularity: 20.829Language: English