Talk:Mines of Mystery/@comment-43569933-20191226231500/@comment-25559529-20191229024918

This is the fourteenth episode of S23 + None of the other three featuring Brenda have confirmed airdates yet --> None of the other three featuring Brenda have numbers yet --> This episode (which has aired) is the first of the episodes featuring Brenda in S23 --> This is Brenda's first appearance.

It really is that simple. And if the trivia mentions the other characters who first appear in this episode, it should do so for all the characters who first appear in this episode.