Hello. I'm Mrs. Brisby.
4 seconds sound clip from the The Secret of NIMH (1982) movie soundboard.
You can hear this line at 00:36:23.667 in the Blu-ray version of the movie.
Quote context
[...]
- I was told to see Nicodemus. Are you Nicodemus?
- It's me.
- What are you... What are you doing here?
[...]