Oh. I... I beg your pardon...
5 seconds sound clip from the The Great Mouse Detective movie soundboard.
You can hear this line at 00:27:56 in the Blu-ray version of the movie.
Quote context
[...]
- Here is our friend's entrance.
- But, Basil, how could he fit in through such a tiny...
- Shh.
- Oh. I... I beg your pardon...
- Oh, my. Upon my word, I've never seen so many toys.
- Behind any of which could lurk a bloodthirsty assassin.
- So please, doctor, be very careful.
- Don't let this girl out of your sight.
- Now, Olivia, dear, stay close.
[...]