Their celestial spirits that are summoned from the spirit world
Anime: 113
Episode 11.
It hasn't yet but Arceus will appear in the 12th Movie coming out in a couple months in July.
She is an anime-only filler character, and does not appear in the manga.
No, currently the Lightsworn series does not appear in the anime.
yes, Pokemon creatures were originally part of a manga, which was then turned into the anime. remember, anime is like a television cartoon and manga is like a comic book.
The Secret of Kells.
she does not appear in the anime but she does appear in a special chapter in Hetalia manga
Anime: 113
Sasuke appears in the first anime episode of Naruto.
from 1999 to 2005
yes
They're basically where adverts would appear on TV.
never
Manga.
Episode 137
There is no such thing as a 'Sergal' in the Naruto anime.