KID A MNESIA av Radiohead är en samlarutgåva som firar 21-årsjubileet av de banbrytande albumen Kid A (2000) och Amnesiac (2001), utgivet 5 november 2021. Boxseten innehåller båda originalalbumet i sin helhet samt en tredje skiva med tidigare outgivet material — Kid Amnesiae — inklusive alternativa versioner, studiorariteter och "Follow Me Around".

Formatet är 3xCD.

CD 1 – Kid A:

1. Everything in Its Right Place
2. Kid A
3. The National Anthem
4. How to Disappear Completely
5. Treefingers
6. Optimistic
7. In Limbo
8. Idioteque
9. Morning Bell
10. Motion Picture Soundtrack

CD 2 – Amnesiac:

1. Packt Like Sardines in a Crushd Tin Box
2. Pyramid Song
3. Pulk/Pull Revolving Doors
4. You and Whose Army?
5. I Might Be Wrong
6. Knives Out
7. Morning Bell/Amnesiac
8. Dollars & Cents
9. Hunting Bears
10. Like Spinning Plates
11. Life in a Glasshouse

CD 3 – Kid Amnesiae (Previously Unreleased):

1. Like Spinning Plates ('Why Us?' Version)
2. Untitled V1
3. Fog (Again Again Version)
4. If You Say the Word
5. Follow Me Around
6. Pulk/Pull ('True Love Waits' Version)
7. Untitled V2
8. The Morning Bell (In the Dark Version)
9. Pyramid Strings
10. Alt. Fast Track
11. Untitled V3
12. How to Disappear into Strings