The Duke and Duchess of Cambridge and Prince Harry attend the inauguration of Warner Bros. Studios Leavesden

The speaker expresses gratitude to Warner Brothers for their investment and wishes them a prosperous stay. They request more movies from The Dark Knight series and express personal thanks to Kathryn for hiring them.

What is the significance of thanking Warner Brothers in the text?

What does the speaker hope for their stay?

What request does the speaker make regarding The Dark Knight series?

Who is mentioned as being involved in the hiring process?

What is the overall tone of the speaker's message?