The BW111 episode would be about N continuing to tell his backstory. The scans only said that Ash will meet N on 24th January.
About why this episode is in Nuvema, you needto differenciate between the idea that Ash has and the info that we know:
Remember that Ash has ended the League. All other times that Ash has take part of the League Ash has returned to Kanto. The first idea that Ash will have (and I expect that) isn't going to gthe White ruins: It's going to return to Kanto with his new friends. But because Unova is too far from other regions AND SPECIALLY because Ash has 10 pokemon on his roster and he can't take more than 6 pokemon at one time, Ash will need help to transport his pokemon. And I think that Ash will need Juniper's help or a help with one of her assistant (if it's one of the assistants, we can imagine who is) when Ash goes to Pallet.
I'm almost sure that Ash has planned returning to Kanto after the Unova League.* And Ash is supposed to go to Juniper's lab to take his reserves to Kanto. Although we already know that Ash will stay in Unova because Cedric want Ash's gang to find the White Ruins. Here meets N and ...
*One more thing of this episode: This episode could partially explain what Ash needs to do when Ash really leaves Unova.
About why this episode is in Nuvema, you needto differenciate between the idea that Ash has and the info that we know:
Remember that Ash has ended the League. All other times that Ash has take part of the League Ash has returned to Kanto. The first idea that Ash will have (and I expect that) isn't going to gthe White ruins: It's going to return to Kanto with his new friends. But because Unova is too far from other regions AND SPECIALLY because Ash has 10 pokemon on his roster and he can't take more than 6 pokemon at one time, Ash will need help to transport his pokemon. And I think that Ash will need Juniper's help or a help with one of her assistant (if it's one of the assistants, we can imagine who is) when Ash goes to Pallet.
I'm almost sure that Ash has planned returning to Kanto after the Unova League.* And Ash is supposed to go to Juniper's lab to take his reserves to Kanto. Although we already know that Ash will stay in Unova because Cedric want Ash's gang to find the White Ruins. Here meets N and ...
*One more thing of this episode: This episode could partially explain what Ash needs to do when Ash really leaves Unova.