Recollection (リコレクション, Rikorekushon?) is the recap episode of the Sword Art Online Alicization anime adaptation, set between the eighteen and nineteen episodes. It summarises the story from all previous episodes of the Alicization arc. It aired on February 16, 2019.
While waiting on the outside wall of the Central Cathedral for Solus to raise, Kirito promised Alice to reveal all the past he knew about her, up to the current moment. Hearing that, the Integrity Knight agreed to listen to the boy's story; however, she added she would kill him if his words proved to be a lie.
- Central Cathedral
- Rulid Village (flashback)
- Dark Territory (flashback)
- Zakkaria (flashback)
- Centoria (flashback)
- Sword Mastery Academy (flashback)
- The episode featured an altered Opening sequence with scenes from previous episodes to fit the recap narrative.
- It also featured an altered Ending sequence with screenshots of scenes from the real world, Gun Gale Online and ALfheim Online, combined with rolling credits.