Treasure chase/Sailor John is caught

Script
Luna Girl: It's easy to arrange when your Uncle's is Professor Robert Callaghan! [plot hole opens and Callaghan, dressed as Yokai, jumps out]

Callaghan: For the last time Luna Girl, I am NOT your uncle!

Luna Girl: But I already sent you a birthday card!

Callaghan: Ugh, you get one magazine subscription and suddenly everyone knows where you live.....