Note: The Azumanga Daioh TV series was originally comprised of 130 episodes that were around 3 to 5 minutes long each. When released onto DVD, the episodes were combined into 26 half-hour long episodes. Below I've listed the main title of each episode, followed by the titles of the short episodes it contains.
1. Entrance Ceremony - Child High School Student/She's a Prodigy/Scary Maybe?/Wildcat Tomo-chan!/The Osakan Gal
2. Osaka's Day - Osaka Today As Well/P.E./Volleyball/Hiccups/The Brain.../Brand New
3. Yukari and Nyamo - Nyamo/Factional Rivalry/Yukari's Here/Not My Fault/Forever and Ever
4. Pool! - A Fun Profession/Pool, Pool, Pool/Ribbon/Just the Two of Them/A Good Person?
5. Summer Break - Summer Break/Welcome to Chiyo's Room/Invitation/Someone With Experience, Speak/Done For
6. Sports Fest - Equation for Victory/Sakaki of Class 3/Kagura of Class 5/Runaway Victory/Yay/Dancing the Grand Finale
7. Culture Fest - Fairyland Class/Man of Character/Go With Enthusiasm!/The Mascot/Enemy?
8. New Year's Dream Special - Osaka's New Year's Dream/In Tomo-chan's Case/In Sakaki's Case/Welcome/In Kaorin's Case
9. Chiyo-chan's Birthday - If I Can't Pet One.../11 Years Old/Mr. Kitty Cat.../Premise/Why?
10. Second Year - Draft Nomination/Class Change/Wolf/Superior Airs Woosh Woosh/Maruko...
11. Sakaki and Kagura - Cosmopolitan Day/Showdown/Even If You Don't Fight/Covered in Cats/Don't Run
12. Chiyo-chan's Day - Chiyo-chan's Day/High School Friends/Lunch/Afternoon/Skipping Rope
13. Mid-Terms - No Guard Tactics/S/Midterms/Formation/Ability
14. Summer Break 2 - Shopping/Gathering/Sea!/Capturing Strategy/Adult's World
15. Sports Fest 2 - Kimura's Family/Ya see, Ya see?/An Unexpected Mother?/Hardness/Results
16. Culture Fest 2 - Combination/Advent/Cute/Order/Advertising Impact
17. Christmas - Osaka's Scary Story/Feeling Different/Running Teacher/Incredible Santa/Christmas Meeting
18. First Snow - Elated Yomi/Betrayal/Excited! Excited!/Companionship's End/Go
19. Yawn - Yawning Expert/Sprigtime of Life/Adult Cherry Blossom Viewing/Child Cherry Blossom Viewing/Cherry Blossom
20. Third Year - Separation/Yukari's Birthday/Spread Your Wings, Chiyo/Child President/Please Let Me Be Strong
21. Study Travelling - Anticipation/I Just Couldn't/Watery Grave/Island of Dreams/Mountain Cat
22. Summer Break 3 - It's Nice/Tricked/Kurosawa-sensei/Attempted/It's Not Over Yet
23. Sports Fest 3 - Chewed/Cheerleaders/I Didn't Think/We'll Run Together/United
24. Yamamaya - Career Path/Showdown/Let's Hurry/Popularity/Together with Maya
25. Exams! - Course Discussion/Pray for Success/Fight!/Study Session/Tomo and Osaka's Day of Fate
26. Graduation Ceremony - First Graduation/A Thousand Emotions/Sadness/Our Old School/Everyone
Azumanga Daioh - The Very Short Movie
This 5 minute movie was used as a promotional video, and it was played together with certain anime movies in Japanese theaters back in 2002.