You don't look very happy. I thought it was a real nice day.

4 seconds sound clip from Knight Rider - Knight of the Phoenix (S1E1-E2).

You can hear this line at 00:58:14.350 in the Blu-ray version of the episode.

Quote context

[...]

- I don't like it. It smells like a setup.

- Did you run his fingerprints?

- I don't have any. Anyway, that's a fallacy. Fingerprints are only on file if somebody's got a criminal record.

- Or has worked for the government in some law enforcement capacity.

- I can think of one way to get 'em, but it might be a little messy.

- Well, I leave that entirely in your hands.

- Buddy, come on back here, and you say thank you. Come on. Right now, young man. Come on.

- Thank you! I gotta go tell everybody!

- Okay.

- You don't look very happy. I thought it was a real nice day.

- Who are you really?

- I'm a friend. I'd like to be...

- Michael. I still hurt from the last man who made me feel... I can't go through it again.

- Maggie, it's okay. I understand.

- Tell me I'm dreamin'.

- I see it, but I don't believe it.

[...]