| S1E1 If Only I Had Thorns Like a Thistle Ryuko Matoi arrives at Honnoji Academy and faces off with its boxing champion. Beaten at first, she finds a suit that gives her powers and odds turn in her favour. |
| S1E2 So Sexy She Might Pass Out Ryuko stays over at Mako's home. She later goes up against the tennis champion of Honnoji. |
| S1E3* Junketsu Satsuki, the student council president at Honnoji, decides to use her family uniform Junketsu against Ryuko. |
| S1E4 Dawn of a Miserable Morning Ryuko is faced with "No-Late Day", an event where students must navigate a trap-filled obstacle course to reach school on time, or else they will be expelled. |
| S1E5 Trigger A mysterious sniper named Tsumugu Kinagase attempts to assassinate Ryuko, but is hampered by the various clubs that try to defeat Ryuko. |
| S1E6 Don't Toy With Me on a Whim While Ryuko tries to find out more about Tsumugu, she must face a student council member who has super-speed and can read all her moves. |
| S1E7 A Loser I Can't Hate Mako is offered a better life away from poverty. To do so she must don a suit and face Ryuko in combat. |
| S1E8 I'll Wipe My Own Tears Satsuki announces a new election system where students must survive a seven-day battle with each other in order to stand out on top. One student, Ira Gamagoori, gives aid to Ryuko and later the two have to face off. |
| S1E9 A Once in a Lifetime Chance Ira and Ryuko fight. Though Ira is able to dominate, Senketsu evolves a new form to defeat him. |
| S1E10 I Want to Know More About You Ryuko faces her next opponents Houka Inumuta and Nonon Jakuzure. Meanwhile, her evolving uniform is a source of concern. |
| S1E11* I'm Not Your Cute Woman Nui Harime, the slayer of Ryuko's father, unexpectedly arrives. |
| S1E12* Spit Your Sadness Away Ryuko comes face to face with her father's killer, but can she contain her rage? Mako and the Elite Four look on as sh e rampages on, coming closer and closer to death. Will Satsuki or anyone else be able to stop her? |
| S1E13 Crazy for You Honnouji Academy is mobilizing for the Tri-City Schools Raid Trip! But after her recent rampage, Ryuko is moping in bed, unwilling to fight. However, Shinjiro Nagita, formerly with the Newspaper Club, is determined to get her back into uniform! |
| S1E14 Ride Like the Wind The Tri-City Schools Raid Trip has commenced! The three-pronged attack on the Kansai region is off to an interesting start, with some unusual defenses to overcome. But what part will Ryuko be able to play, with Senketsu in the hands of the enemy? |
| S1E15 Don't Stop Me Now Satsuki Kiryuin joins the front line of Osaka to battle Kaneo Takarada, the heir to the Takarada Conglomerate. Using the influence of money, Takarada rallies the locals to fight, but Satsuki is suspicious there is another power behind the city's defense. |
| S1E16 The Girl Can't Help It The Tri-City Schools Raid Trip is returning to Honnouji Academy, when Satsuki Kiryuin is unexpectedly summoned home. Meanwhile, Ryuko begins to learn the truth behind the series of events that brought her and Senketsu together. |
| S1E17* Tell Me Why Preparations are underway for the Honnouji Academy Cultural & Sports Grand Festival! The school is in a fervor as Ragyo Kiryuin will be attending, but what are her and Satsuki's real intentions for the event? |
| S1E18* Into the Night The Honnouji Academy Cultural & Sports Grand Festival comes to an abrupt and very unexpected conclusion! Battle lines are drawn and Ryuko must decide who is friend and who is foe. But will she have the power to resist the power of the Life Fiber? |
| S1E19 Raindrops Keep Falling on My Head A startling revelation turns Ryuko's world upside down! But she's not the only one in turmoil, as Satsuki, the Elite Four and the members of Nudist Beach are left scrambling in the aftermath of the Honnouji Academy Cultural & Sports Grand Festival! |
| S1E20* Far From the Madding Crowd Ryuko is awake and she's not happy. Intent on killing Ragyo and Nui, she heads out, leaving her allies behind. Without her power, Nudist Beach must decide what their next step is, but a new piece of intel spurs them to action! |
| S1E21* Incomplete Ryuko's rampage continues, and thanks to Ragyo and Nui she has an unexpected new ally. With Satsuki as the target, will the Elite Four and Nudist Beach be able to withstand the onslaught? |
| S1E22* Tell Me How You Feel A surprising turn of events catches Nui Harime off guard and gives Nudist Beach a chance to regroup and plan their next step in the fight against Ragyo. But will Ryuko and Satsuki be able to settle their recent conflicts? |
| S1E23* Imitation Gold The ongoing battle presses towards Honnouji Academy, but Ragyo and the Original Life Fiber stand in the way. Ryuko and Satsuki set off to face them, leaving Nudist Beach's defense to... Mako?! Meanwhile, a crazed Nui continues working feverishly... |
| S1E24* Past the Infinite Darkness The final confrontation is at hand! Will Ragyo and Nui bring on the end of the world, or will Ryuko and the others be able to stop them? |
| S1E25 Goodbye Again It's graduation at Honnouji Academy, but not everything is as it seems. Ryuko Matio and the gang must defeat their final enemy. |