Your friend saw this resource on bethinking.org and thought you should see it:
Doctor Who - Dilemmas of a Time Traveller
A review of Doctor Who, Series 4 starring David Tennant and Catherine Tate.
See the full resource online by visiting bethinking.org:
https://www.bethinking.org/culture/doctor-who-dilemmas-of-a-time-traveller
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bethinking.org is a collection of resources which aims to make sense of the big questions of life about God, Jesus and Christianity.