: This episode is technically considered filler (non-canon to the main manga storyline) because it was created specifically to promote the movie.
: Reviewers and watch guides suggest viewing this episode after the main fights in the Fake Karakura Town arc (around episode 297) but before watching the Hell Verse movie. Bleach Episode 299
: It is an adaptation of a special one-shot manga chapter titled "Imaginary Number 01: The Unforgivens," drawn by series creator Tite Kubo. : This episode is technically considered filler (non-canon