Of course, I'm sure a refresher course in table manners might not be amiss.
6 seconds sound clip from The New Adventures of Winnie the Pooh - Oh, Bottle / Owl in the Family (S3E1).
You can hear this line at 00:15:46.623 in the Blu-ray version of the TV Series.
Quote context
[...]
- Oh, thank you, Pooh, for finding my relatives.
- But are you sure these aren't crows?
- Why would Pooh invite crows to my family reunion?
- Their owlness is unmistakable. The dignity, bearing, good fellowship, taste...
- Of course, I'm sure a refresher course in table manners might not be amiss.
- Whoa! Well, I'm sure you and your relations have a lot to talk about. Whoops!
- Yes, Owl, we hope you'll all be very happy together.
- I say! I do believe this is most improper. But then the guest is always right.
- Well, it's been a very long day of getting reacquainted.
[...]