Januari 1999: Leerling magiër Azaka Kokutou, Mikiya's jongere zus, krijgt van haar mentor, Touko Aozaki, de opdracht een bepaald incident te onderzoeken waarbij feeën de herinneringen stelen van studenten op Azaka's school, Reien Academy. Azaka start een onderzoek met de hulp van Shiki.
Nee, helaas is 劇場版「空の境界」第六章 忘却録音 nog niet beschikbaar op Netflix in Nederland.
| Production | 近藤光 | Producer |
| Production | 鈴木龍 | Line Producer |
| Sound | Yasunori Mori | Music Producer |
| Visual Effects | Masato Nagamori | Key Animation |
| Visual Effects | 宮前真一 | Key Animation |
| Visual Effects | 丹羽恭利 | Key Animation |
| Visual Effects | 小笠原篤 | Key Animation |
| Camera | 寺尾優一 | Director of Photography |
| Visual Effects | Masayuki Kunihiro | Key Animation |
| Visual Effects | Mitsuru Obunai | Key Animation |
| Visual Effects | 立石聖 | Key Animation |
| Visual Effects | 須藤友徳 | Animation Director |
| Visual Effects | Takeyoshi Omagari | Key Animation |
| Sound | 梶浦由記 | Original Music Composer |
| Visual Effects | 木村豪 | Key Animation |
| Visual Effects | 高橋タクロヲ | Key Animation |
| Visual Effects | Seiji Matsuda | Compositing Artist |
| Production | 岩上敦宏 | Producer |
| Visual Effects | 碇谷敦 | Key Animation |
| Visual Effects | Makoto Nakamura | Key Animation |
| Art | 衛藤功二 | Art Direction |
| Production | 太田克史 | Production Supervisor |
| Visual Effects | 須藤友徳 | Character Designer |
| Visual Effects | 高乗陽子 | Key Animation |
| Visual Effects | Shintaro Nakamura | 3D Director |
| Visual Effects | 須藤友徳 | Key Animation |
| Art | 本田敏恵 | Background Designer |
| Production | 松岡超 | Casting |
| Visual Effects | Takashi Takeuchi | Character Designer |
| Sound | 倉橋静男 | Sound Effects |
| Visual Effects | 古川良太 | Key Animation |
| Visual Effects | Akio Shimotsukasa | Key Animation |
| Visual Effects | 安食圭 | Key Animation |
| Visual Effects | Masumi Fujii | Key Animation |
| Art | 臼井みなみ | Background Designer |
| Art | 加藤晴香 | Background Designer |
| Visual Effects | Kumiko Ohori | Animation |
| Writing | 奈須きのこ | Novel |
| Visual Effects | 森賢 | Key Animation |
| Visual Effects | Emi Chiba | Color Designer |
| Visual Effects | 小笠原篤 | Animation Director |
| Production | 植田益朗 | Executive Producer |
| Visual Effects | 寺尾優一 | 3D Animator |
| Visual Effects | Satoshi Takahashi | Key Animation |
| Art | 小澤泉 | Background Designer |
| Production | Masayuki Haryu | Producer |
| Visual Effects | Keita Shimizu | Key Animation |
| Visual Effects | 茂木貴之 | Key Animation |
| Visual Effects | Shinsuke Yasuda | Key Animation |
| Visual Effects | 三浦貴博 | Key Animation |
| Art | Misuzu Noma | Background Designer |
| Visual Effects | 寺尾優一 | Compositing Artist |
| Sound | 岩浪美和 | Sound Director |
| Visual Effects | 菊池隼也 | Key Animation |
| Visual Effects | 村上竜之介 | Key Animation |
| Art | 斉藤麻美 | Background Designer |
| Art | 杉浦美穂 | Background Designer |
| Art | 東潤一 | Art Department Coordinator |
| Editing | Hideki Takemura | Assistant Editor |
| Visual Effects | Seiji Matsuda | 3D Animator |
| Production | Takashi Takeuchi | Producer |
| Visual Effects | 嘉手苅睦 | Key Animation |
| Visual Effects | 杉田匡 | Key Animation |
| Visual Effects | 工藤利春 | Key Animation |
| Visual Effects | 小笠原篤 | Character Designer |
| Visual Effects | 笹嶋啓一 | Key Animation |
| Camera | Seiji Matsuda | Director of Photography |
| Visual Effects | 吉川冴 | Compositing Artist |
| Visual Effects | Shintaro Nakamura | Compositing Artist |
| Visual Effects | Yuki Yamaguchi | Compositing Artist |
| Visual Effects | Ryota Nakae | 3D Animator |
| Art | 東潤一 | Background Designer |
| Art | Kazuo Ebisawa | Background Designer |
| Art | 衛藤功二 | Background Designer |
| Visual Effects | Shintaro Nakamura | 3D Animator |
| Visual Effects | Choi Bu-gyeong | Key Animation |
| Art | 前田有紀 | Background Designer |
| Art | 松本浩樹 | Art Designer |
| Writing | 平松正樹 | Screenplay |
| Art | Nobutaka Ike | Background Designer |
| Art | 中村瑛利子 | Background Designer |
| Visual Effects | Saki Matsubara | Compositing Artist |
| Visual Effects | 矢上孝一 | Key Animation |
| Editing | 神野学 | Editor |
| Directing | 三浦貴博 | Director |
