No kidding, I thought you were the Lonesome Stranger.
5 seconds sound clip from The Jetsons - The Coming of Astro (Season 1, Ep. 5) TV Series.
You can hear this line at 00:22:30 in the Blu-ray version of the movie.
Quote context
[...]
- Stop, in the name of the law! Hold it, Mac! Freeze.
- Okay, masked man. Let's go down to the station and have a talk. What's your name?
- Who? I mean, what, what? Who?
- No kidding, I thought you were the Lonesome Stranger.
- Don't you think you're a little old for Halloween gags?
- This is no gag, officer. No kidding. There's a burglar running around my apartment.
- Burglar, huh? Okay. Suppose we go up and see. Then we'll go down to the station.
- Oh, do you really think there's a burglar out there?
- I hope so. Maybe I'll get a chance to try out my judo lessons.
- But, Astro, there's a burglar in the house! Aren't you gonna do something?
[...]