We’ve all had that one crazy teacher who was so in love with their subject, you would show up to class just to see how overboard they might go. Imagine if they could back that enthusiasm up with personal experience related to that subject. Beyond that, consider the impact if they take you with them on regular field trips, to witness for yourself why they love it so much.

This week we look at all the times the Doctor has played the role of teacher, professor and/or mentor to his companions, to random people he has just met, and to us as viewers. Join us on the first part in an arc where we take a closer look at the different roles the Doctor fills in our lives.