But their smiles didn't last.
2 seconds sound clip from the Frosty Returns (1992) movie soundboard.
You can hear this line at 00:16:47.366 in the DVD version of the movie.
Quote context
[...]
- Gee. This place is starting to look drier than Miss Carbuncle's knees.
- Mr. Twitchell's trucks drove through while you were gone.
- Holly and Charles went right to work.
- But their smiles didn't last.
- Don't worry, Holly. Frosty will last, at least until tomorrow.
- Gee, kid. If there was ever a time we needed magic, this is it.
[...]