Everything related to the world of Pocket Monsters.
We don't see her around Ash, Bonnie or Clemont in the first two episodes (except that small scene with Bonnie and Fennekin which takes place in God knows what episode). She's also not present in the Dedenne episode (which I assume is the third episode of XY anime) nor in the scene where Ash, Bonnie and Clemont are chased by the angry Beedrill. She's not the part of the group yet.
We know that Ash heads towards Santalune and Serena is STILL not a part of their group. We saw Ash battle
I went from hearing Serena say Pokemon Master (during the livestream) and being excited (because someone else heard her say Master too), to actually watching the preview and hearing her say Morana, to which I was somewhat disappointed because it wasn't Master and then someone who actually knows Japanese cleared things up by saying she simply said she was going to get her Pokémon. @FANG-TAN; :P
And now we still have no clue on her goal.
The best part is, some silly-billies are taking this seriously and going crazy LOL
Updated 15th September 2013 at 10:29 AM by Karamazov
Just because Serena is cute and has a short skirt and seems girly like Dawn, does not mean she will be exactly like Dawn. Where the hell do you get that from? Would you stop judging her before she even debuts? How about treating her as Serena, and not saying 'she will probably have a team full of cute Pokemon and will be like Dawn, just look at her, she has short skirt and everything'. That is an incredibly shallow way of viewing things. You're declaring her as a bland Dawn clone before she even
Updated 14th September 2013 at 07:55 AM by Tsutarja
This guy's gonna f*ck you all up, don't you even doubt it