You won't believe this, but my name is Aardvark and I was looking for an ant.
3 seconds sound clip from The Ant and the Aardvark (1969) - Rough Brunch (S1E16).
You can hear this line at 00:05:30.897 in the Blu-ray version of the episode.
Quote context
[...]
- Now, where did he go? Hey, Ant, I'd like a word with you.
- You know, it's like trying to find a needle in a haystack.
- Now, how can I find the needle without a haystack?
- Aha! I saw him. Okay, you ant, time for lunch!
- You won't believe this, but my name is Aardvark and I was looking for an ant.
- Believe me, I was telling you the truth.
- You see, there was this ant. We were gonna have lunch together.
- I hope you won't make a hasty decision.
- Couldn't we make a deal, Dog? I guarantee it will make you feel better in the morning. Believe me.
[...]