- Sit. Stay.
- Those are strictly for reindeer!
- Fly!

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

You can hear this line at 00:50:52.658 in the Blu-ray version of the movie.

Quote context

[...]

- Get that... Oh, perfect.

- Hey, Murray, what do you think, those ornaments grow on trees? Well, they do!

- Ah, yeah, that never gets old.

- Enough reindeer games. Back to the sky, boys. We need to shave three minutes off our flight time.

- Oh, Blitzen, wait. I've got another genius idea.

- Oh, please share.

- Sit. Stay.

- Those are strictly for reindeer!

- Fly!

- Perfect.

- And they say you can't teach an old dog new tricks.

- All right, boys. And, Murray. Let's go.

(CAR ENGINE SPUTTERING)

[...]