- Hello?
- Santa! Now, don't you go back to napping. I know when you've been sleeping. I know when you're awake.

5 seconds sound clip from the Mickey's Twice Upon a Christmas movie soundboard.

You can hear this line at 00:16:25.960 in the Blu-ray version of the movie.

Quote context

[...]

- Whew!

- Nothing can wake that guy.

- Huh? What?

- Except that.

- It's for you.

- Thank you.

- You're welcome.

- Hello?

- Santa! Now, don't you go back to napping. I know when you've been sleeping. I know when you're awake.

- Oh, is it that time already?

- Hey, what are they cooking in the kitchen? Mmm. Smells like roast duck.

- Now, don't dillydally, you hear? You better kick it up a notch.

- Yes, yes, of course. I'll be right down.

- Give me that.

[...]