Oh, yeah. Flying dog. Good idea.

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

You can hear this line at 00:52:07.768 in the Blu-ray version of the movie.

Quote context

[...]

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

(CAR ENGINE SPUTTERING)

- Oh, great. They're plowing the roads. Whoa!

- Hey! Just perfect.

- Ah. Good times, huh? Hey, aren't you glad we brought Murray along?

- Oh, yeah. Flying dog. Good idea.

- Not interested, buddy.

- We have lots of presents to wrap. You can help me.

- Hey, Donner, correct me if I'm wrong, and I know you will, but I think something's wrong with your dog.

- Wow. Do you think he's airsick?

- The air is a little thin at this altitude.

- Or maybe he's cold. Do you think he's cold?

- It's partially cloudy, but warm.

[...]