Baby Blues by Rick Kirkman and Jerry Scott for October 12, 1998
Transcript:
Why is Zoe talking to herself? Nadine's back. Nadine? Zoe's invisible friend? Yes. But now Nadine is her sister. Look at that... She's actually playing quietly... Not fighting with Hammie... Not glued to the TV... And all because of a make-believe sister! Honey, let's have more invisible children!
Wasn’t there an invisible “Nadine” charachter in a Arthur book?