Aruhi no Clamp Gakuen Tanteidan

Welcome to the MCU.
Based on original manga timeline series not anime realease order. Not include character designs. The phases were created by me.
Unfortunately not all the mangas were adapted so I highly recommend read the manga for more comprehension (Specially the TRC chronology).

Phase I: Tower of Tokyo saga

-RgVeda
-X
-Tokyo Babylon
-Clamp Gakuen Tanteidan

Phase II: Magic saga

-Miyuki Chan in wonderland
-Magic knight Rayearth
-Wish
-Card Captor Sakura
-Kobato

Phase III: Robots saga

-Clover
-Angelic layer
-Chobits

Phase IV: Crossover saga

-Xxxholic
-Tsubasa Reservoir Chronicles
-Clamp in wonderland
-Clamp in wonderland 2
-Aruhi no Clamp Gakuen Tanteidan

Join Nokoru, Suou and Akira investigate and solve mysteries as student council/detectives in CLAMP School.

CLAMP School Detectives Watch Order:
(1 TV Series, 1 Special)
*1. Clamp Gakuen Tanteidan (May 3, 1997 to Oct 25, 1997) | TV | 26 episodes × 24 min. per ep. - Parent Story / Character
2. Aruhi no Clamp Gakuen Tanteidan (Apr 22, 2005) | Special | 13 episodes × 1 min. per ep. - Side Story

OR

(3 TV Series, 1 Special, 1 OVA, 2 MVs)
★ CLAMP in Wonderland (Nov 21, 1994) | Music | 1 episodes × 7min. - Character / Prequel
★ Fushigi no Kuni no Miyuki-chan (Jun 21, 1995) | OVA | 2 episodes × 14min. - Character
*1. Clamp Gakuen Tanteidan (May 3, 1997 to Oct 25, 1997) | TV | 26 episodes × 24 min. per ep. - Parent Story / Character
2. Aruhi no Clamp Gakuen Tanteidan (Apr 22, 2005) | Special | 13 episodes × 1 min. per ep. - Side Story
★ Tsubasa Chronicle (Apr 9, 2005 to Oct 15, 2005) | TV | 26 episodes × 25 min. per ep. - Character / Prequel
★ Tsubasa Chronicle 2nd Season (Apr 29, 2006 to Nov 4, 2006) | TV | 26 episodes × 25 min. per ep. - Character / Sequel
★ CLAMP in Wonderland 2 (Oct 26, 2007) | Music | 1 episode x 5 min. - Sequel / Character

Note: Those with asterisks (*) are the main stories. Wikipedia, Fandom, AniDB and ANN links are also included for more info.
★Characters from CLAMP School Detectives appear in TRC and CIW. Not necessary for CLAMP School Detectives completion.

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Mangaka/Original Creator: CLAMP https://myanimelist.net/people/1877/CLAMP
Genres: Action, Comedy, Mystery
Demographic: Shoujo

Tags: Detective, Kindergarten, School

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Other Guides:
CLAMP: Anime Watch Guides - https://myanimelist.net/stacks/35114
• Tsubasa Chronicle Watch Order Guide: https://myanimelist.net/stacks/10622

AniDB: https://anidb.net/perl-bin/animedb.pl?show=anime&aid=841
ANN: https://www.animenewsnetwork.com/encyclopedia/anime.php?id=130

Wikis:
Wikipedia: https://en.wikipedia.org/wiki/Clamp_School_Detectives
CLAMP School Wiki: https://clamp-school.fandom.com/wiki/CLAMP_School_Wiki
‣List of CLAMP School Detectives Manga Chapters: https://en.wikipedia.org/wiki/Clamp_School_Detectives#Manga
‣List of CLAMP School Detectives Anime Episodes: https://en.wikipedia.org/wiki/List_of_Clamp_School_Detectives_episodes | https://clamp-school.fandom.com/wiki/List_of_Episodes

Note: Use JustWatch to check availability in your region.
https://www.justwatch.com/us/tv-show/clamp-school-detectives

✔️。

Here is my recommended order to watch the adaptations of the CLAMP multiverse :

1) Miyuki-chan in Wonderland OVAs
2) Clamp School Detectives
3) CLAMP School Detectives Shorts
4) Tokyo Babylon OVAs
5) Tokyo Babylon/1999 - The Movie (1993 live-action Japanese movie)
6) X (2001 animated television series)
7) X: An Omen (2001 OVA)
8) X/1999 (1996 Japanese animated movie)
9) X²: Double X music video
10) Cardcaptor Sakura : (Episode 1 to episode 26)
11) You're Wonderful, Sakura-chan! Tomoyo's Cardcaptor Sakura Video Diary Special!
12) Cardcaptor Sakura : (Episode 27 to episode 35)
13) Cardcaptor Sakura: You're Wonderful, Sakura-chan! Tomoyo's Cardcaptor Sakura Video Diary!
14) Cardcaptor Sakura Movie 1
15) Cardcaptor Sakura : (Episode 35 to episode 67)
16) You're Wonderful, Sakura-chan! Tomoyo's Cardcaptor Sakura Video Diary 2!
17) Cardcaptor Sakura (episode 68 to episode 70)
18) Cardcaptor Sakura Movie 2: The Sealed Card
19) Cardcaptor Sakura: Leave it to Kero-chan! Movie Edition
20) Cardcaptor Sakura: Clear Card Prologue: Sakura and the Two Bears
21) Cardcaptor Sakura: Clear Card animated television series
22) Magic Knight Rayearth
23) Magic Knight Rayearth II
24) Magic Knight Rayearth Pilot
25) Rayearth OVAs
26) Rayearth OVA Special Edition "Wings of Hope"
27) Angelic Layer
28) Chobits
29) Chobits : Episode 27 : Hibiya and Kotoko Chat
30) Chobits: Chibits OVA
31) xxxHOLiC : Season 1 : Episode 1 to episode 6
32) Tsubasa Chronicle : Season 1 : Episode 1 to episode 25
33) Clover music video
34) Tsubasa Chronicle : Season 1 : Episode 26
35) xxxHOLiC : Season 1 : Episode 7 to episode 10
36) xxxHolic: A Midsummer Night's Dream (Japanese animated movie)
37) Tsubasa Chronicle the Movie: The Princess in the Birdcage Kingdom (Japanese animated movie)
38) xxxHOLiC : Season 1 : Episode 11 to episode 24
39) Tsubasa Chronicle : Season 2 : Episode 1 to episode 9
40) RG Veda OVAs
41) Tsubasa Chronicle : Season 2 : Episode 10 to episode 26
42) xxxHOLiC Kei (Season 2) : Episode 1 to episode 7
43) Tsubasa: Tokyo Revelations OVAs
44) xxxHOLiC Kei (Season 2) : Episode 8 to episode 13
45) Tsubasa: Spring Thunder Chronicle OVAs
46) xxxHOLiC Shunmuki OVAs
47) xxxHOLiC Rou
48) xxxHOLiC (2013 Japanese drama)
49) xxxHOLiC (2022 Japanese live-action movie)
50) Kobato
51) Kobato : Hajimete no Kobato
52) Wish music video
53) Blood: The Last Vampire (Japanese animated movie)
54) Blood: The Last Vampire (live-action movie)
55) Blood+ (Japanese animated television series)
56) Asura Girl: Blood-C Another Story (Japanese live-action movie)
57) Blood-C (2011 Japanese animated television series)
58) Blood-C: Special Edition
59) Blood-C: None-None Gekijou
60) Blood-C: The Last Mind (Japanese stage play)
61) Blood-Club Dolls 1 (2018 Japanese live-action movie)
62) Blood-Club Dolls 2 (2020 Japanese live-action movie)
63) Blood-C: The Last Dark (2012 Japanese animated movie)
64) CLAMP in Wonderland
65) CLAMP in Wonderland 2