A likely story. I see it all now. You and the upstairs maid.

5 seconds sound clip from the Daffy Duck's Quackbusters movie soundboard.

You can hear this line at 00:13:39.145 in the DVD version of the movie.

Quote context

[...]

- It becomes increasingly apparent that I'm not wanted around here.

- Are we to assume that there is anything significant in this attitude of yours?

- That A, a butler might not want his master to recover his good health?

- But I...

- That B, said butler should endeavor to remove from the premises, the only person capable of restoring said health to said master?

- No, no!

- Where were you the night of April the 16th?

- I... I...

- A likely story. I see it all now. You and the upstairs maid.

- 'Do the old boy in,' you said. 'Elderberry wine and old lace,' you said.

- Then, 'The quick getaway,' you said. Rio de Janeiro, tropical nights, romance, and a heavy bank account.

- No. No.

- Yes. Yes.

- But you weren't smart enough, John, alias Johnnie. Alias Jack. Alias Jackie.

[...]