Clemont, Serena and others in “Giving Chase at the Rhyhorn Race!”

So, why did you want to go on a journey, Serena?

Serena

[reaches into her pocket and pulls out a blue handkerchief, before walking over to Ash] I wanted to give this back to you. It's yours. Ash, remember when we were talking about Professor Oak's Pokemon Summer Camp back when we were younger?

Yeah.

Serena

Well, you let me borrow this way back then.