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How likely is it to be struck by lightning?
What are the odds? Alex's mum thinks she has an idea!
Duration:
This clip is from
More clips from Episode 2
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When Alex Met Sally
Duration: 00:35
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Alex Brooker and Sally Lindsay face The Wall on New Year's Eve
Duration: 00:39
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Will The Wall be guided by the 'Lucky Dodo'?—Series 4, Episode 6
Duration: 00:54
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Which of these is a type of ant?—Series 4, Episode 4
Duration: 01:26
