Are you not entertained?!
A Latin translation of this is relatively easy.
He's speaking to the entire stadium, which means we need to use the 2nd person plural form of the verb "to be."
He's asking a question which expects the answer "Yes."
The verb "to entertain," in the meaning "to amuse" is oblectare.
And so, "Are you not entertained" would be in Latin:
Nonne estis oblectati?
The answer is, yes I am, Mr. Crowe. I show this movie to my Latin I class every year. We just finished it today. And I never tire of it.
Gratias tibi ago, Mr. Crowe. Et Deus te benedicat...
It's a bargain at 0.99 cents on Kindle (or affordably priced at $11.90 on paperback).
You'll travel back to ancient Rome on a harrowing mission to save the modern world. It's the adventure of four lifetimes.