Overview: Among the phonetic concepts highlighted: the vowel pair ai and the consonant digraph sh.
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First Air Date: Oct 25, 1971Last Air date: Jun 01, 1977Season: 6 SeasonEpisode: 780 EpisodeRuntime: 28 minutesQuality: HDIMDb: 6.90 / 10 by 14 usersPopularity: 61.935Language: English