Can't you tell? They're homesick. They miss their parents, their friends. You've got to send those children back.
12 seconds sound clip from the Santa Claus Conquers the Martians (1964) movie soundboard.
You can hear this line at 01:01:55 in the Blu-ray version of the movie.
Quote context
[...]
- Just a moment, children. Are you feeling well?
- Oh, we feel fine, sir. Goodnight.
- Has someone been mistreating you?
- Oh, no sir. You and Lady Momar have just been swell to us. Goodnight.
- What could it be? They're behaving the way our children used to behave.
- Santa says I gotta fatten up.
- Banana split... with whipped cream.
[...]