You know, I'm Charlie's aunt.
2 seconds sound clip from The Ant and the Aardvark (1969) - The Ant from Uncle (S1E3).
You can hear this line at 00:05:57.716 in the Blu-ray version of the episode.
Quote context
[...]
- Don't you try to scare me, Ant, because I walk where fools fear to tread.
- Okay. Either you leave now or I'll be forced to come in and get you.
- Nothing.
- I thank you, Minerva, a lot.
- You know, I'm Charlie's aunt.
- Ladies and gentlemen, if you'll kindly give me your attention.
[...]