DuckTales, Season 1

Webby:
Wait, where are Huey and Louie?

Dewey:
Who?

Webby:
Um, your brothers?

Dewey:
Uh, Webby, I don't have brothers. I'm an only child.

Webby:
Don't be ridicu- [gasp] Oh no! We must be in some sort of dystopian alternate dimension!

Dewey:
Calm down, everything is fine.

Webby:
Exactly what an evil Dewey-doppleganger would say! [tackles Dewey] Give it up, Dew-pelganger! Where is Dewey?!

[Huey and Louie walk rush in]

Huey:
Webby, stop! That is Dewy!

Louie:
He's just doing a Dewey thing!

Webby:
Oh. [lets go of Dewey]

Dewey:
[to Huey and Louie] Thank you, good Samaritans. You restored my faith in the kindness of random strangers.

Huey:
Not even one hour in, and your stupid "Only Child Day" has already almost gotten one of us killed.

Webby:
Only-what-now?

Dewey:
It's a beautiful holiday!

Huey:
That he made up.

Dewey:
Where for a whole day, we get to be sibling-free and do all the amazing things that an only child gets to do! Make our marks on the world!

Louie:
Not have to answer to anyone!

Huey:
Be horribly alone?

Dewey:
For once!