Ka dib siddeed tijaabooyin, soo saaraha David Heyman ayaa u sheegay Watson iyo codsiyada kale Daniel Radcliffe iyo Rupert Grint in loo doortay doorka saaxiibada iskuulka Hermione Granger, Harry Potter iyo Weasley, siday u kala horreeyaan. Rowling waxay taageertay Watson laga soo bilaabo imtixaanka shaashadeeda koowaad. Daahfurka Harry Potter iyo Philosopher's Stone ee 2001 wuxuu ahaa shaashaddii ugu horreysay ee Watson.
Harry Potter iyo Dhagaxa falsafada