In the final episode, self-confessed optimist Julian is back from the future, but things are not quite as they seem.
Will he and the other time travellers ever be able to return to the present they came from?
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Guest starring Christian Saunders from Canguro English.
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Free interactive transcript, subtitles, translations in 12 languages & study pack at: https://www.leonardoenglish.com/pioneers/the-last-frontier