- Say, what's that stuff growing out of the ceiling?
- It's mistletoe. And I'm standing under it.
- So?- That means you can kiss me if you want to or I can kiss you.
- Huh? Uh. How come?
- Because you're standing under it too.

20 seconds sound clip from the Yogi's First Christmas (1980) movie soundboard.

You can hear this line at 00:55:27 in the Blu-ray version of the movie.

Quote context

[...]

- Look, I know how you all feel about the lodge and I can understand why, but I really must sell it.

- Aw, gee. Why?

- For business reasons.

- Gosh.

- If the lady says she must, then she must.

- There. Now Yogi can't walk anywhere through this lobby without having to kiss me.

- Hey, hey, hey, what's this? What are you doing in high places?

- Oh, Yogi. You're just in time.

- In time for what?

- Yogi, look up.

- Say, what's that stuff growing out of the ceiling?

- It's mistletoe. And I'm standing under it.

- So?- That means you can kiss me if you want to or I can kiss you.

- Huh? Uh. How come?

- Because you're standing under it too.

- Are you sure?

- She's right, Yogi. It's an old Christmas tradition.

- Uh, listen, Cindy, uh... Oh, I'm late. I gotta check the bobsled.

- Yogi Bear, come right back here. You owe me a kiss.

- Where is he? He won't get away this time.

[...]