Dasher, Prancer, Dancer and Vixen, Cupid, Comet, Donder and Blitzen.
5 seconds sound clip from the Desk Set (1957) movie soundboard.
You can hear this line at 00:58:12 in the Blu-ray version of the movie.
Quote context
[...]
- Before lunch, for lunch, after lunch.
- What is the company policy here at Christmas?
- Anything goes, as long as you don't lock the doors.
- Reference. Merry Christmas. Miss Costello.
- Yeah, sure, I can. You got a pencil?
- Dasher, Prancer, Dancer and Vixen, Cupid, Comet, Donder and Blitzen.
- They're running true to form.
- About 4:00, they'll be calling up for a complete text of A Visit From St. Nick.
- Grab these before I drop them all. Thanks.
[...]