It began with Prisoner Of Azkaban, the third book in the series. It showed the wizarding world was not much different from the non-magic Muggles', with rampant corruption, greed and megalomania.

With Goblet Of Fire, the tale turned darker. The fourth instalment showed the idyllic Hogwarts was actually an island in a strife-torn world. There were subliminal anti-racism lessons, and appeals for social equality: remember Hermione Granger's crusade for elf rights?

But if you are not so clued into that world, you may feel a little lost when you catch Harry Potter And The Goblet Of Fire at a theatre.

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Here's what you need to know before you get your popcorn:

Text: Sumit Bhattacharya | Design: Uday Kuckian