You hadn't oughta to mess around in there, Yogi.
5 seconds sound clip from The Yogi Bear Show - The Buzzin' Bear (1958) - S01E12 TV Series.
You can hear this line at 00:00:45 in the Blu-ray version of the movie.
Quote context
[...]
- Here comes that egg-beater again.
- Say, how about that there? A perfect three-point type landing.
- Hey, that ranger went in the station.
- So, let's sneak a peek at that whirligig rig.
- You hadn't oughta to mess around in there, Yogi.
- Just lookin' around, Boo-Boo boy.
- Sure got a lot of gadgets in here, Boob.
- Don't fiddle around with 'em, Yogi.
- Relax, Boob. Ol' Yogi, the ace of space is controllin' the controls.
- Better beat it, Yogi, before the ranger sees ya. Yogi!
[...]