You don't like coconuts? Say, brainless, don't you know where coconuts come from? Look-it here. From Tahiti, the Fiji islands, the Coral Sea.

13 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.

You can hear this line at 00:06:32 in the Blu-ray version of the movie.

Quote context

[...]

- I like him. You like every boy. What's wrong with that?

- Here you are.

- Help me down?

- Help you down?

- Made up your mind yet?

- I'll take chocolate. With coconuts? I don't like coconuts.

- You don't like coconuts? Say, brainless, don't you know where coconuts come from? Look-it here. From Tahiti, the Fiji islands, the Coral Sea.

- A new magazine. I never saw it before. Of course you never. Only us explorers can get it.

- I've been nominated for membership in the National Geographic Society.

- Is this the ear you can't hear on?

- George Bailey, I'll love you till the day I die.

[...]