It's not an invention. It's an idea. It's nothing.

Not according to Dimitriov. He thinks I'm really on to something.

(music) [harmonica, drumming]

- [All] Bravo! - [Natalie] Good stuff.

- [Nick] Good job. - [Natalie] Good stuff.

You know what? I love this tent. There's not one bug.

Guess what?

I went over to Dimitriov's a couple nights ago.

We ran some experiments in his sink.

- He's having a ball with this thing. - What thing?

You didn't tell Debbie about my invention?

No, sorry, I didn't. Go ahead. This is great.

Check it out. It's a spray can, okay?

And you spray it on dog poo...

and the poo disappears.

That is an awesome invention. I mean, we could sure use it.

It's not an invention. It's nothing. I mean, how does it work?

It's a spray can and you spray it on.

- Exactly. - Right?

Yeah, I know. But what makes it disappear?