#1 - Contest

Season 1 - Episode 2

Playing under special scoring rules, Saki plays the next game while trying to keep her plus/minus zero score and winning at the same time, but cannot do both with the special rules. However, when the special rules are removed, Saki ended up winning the game, therefore disallowing her from keeping the zero score. Nodoka is dejected after losing since before Saki told her that she hated mahjong and despite that won, but Saki tells her that playing with her was fun. Saki thinks about what Nodoka said, and even tells her father that she wants to one day play again with her mother and sister like they used to before they left to be professional mahjong players. The next day, Saki joins the club, saying that she wants to play more and win against Nodoka.

#2 - Promise

Season 2 - Episode 12

As Toki pushes her body to the limit to look three turns into the future, she predicts Kuro is finally about to make her move. As Kuro is pressured into potentially discarding a dora, she recalls her friends and her late mother and decides to discard a dora, throwing off Teru's calculations and enabling her to earn some points off Teru, bringing the first match to an end. Just then, Toki collapses from her fatigue and has to be rushed to hospital. As Achiga prepares to move on to the next match, they finally run into Nodoka, both promising to do their best to reach the finals. With their resolve in place, Yū enters the fray for the second match.

#3 - East Wind

Season 3 - Episode 4

#4 - Confrontation

Season 1 - Episode 3

It has been a week since Saki joined the mahjong club, though Nodoka is still distant to her. Nodoka plays a game by herself with all the tiles exposed and takes notes, but she is still unable to attain a plus/minus zero score like Saki who can do this flawlessly. Hisa and Mako go and sign up their club for the national qualifiers for high school students. Saki wins a game against Nodoka, Kyōtarō, and Yūki, who is depressed that she cannot possibly win when playing against both Saki and Nodoka. In the next game, Saki lets Yūki win, which makes Nodoka angry since while Saki did it so that everyone can have fun, Nodoka can only have fun when Saki is playing at her best. Saki makes a promise with Nodoka to shoot for the nationals, and the two finally become friends.

#5 - Start

Season 3 - Episode 3

#6 - Gods and Demons

Season 3 - Episode 5

#7 - Beat-down

Season 1 - Episode 4

Hisa announces to the club that they are now signed up for the national qualifying tournament, and she hands out the rules. Yūki sees that one school, Ryūmonbuchi, are extremely skilled and even won the tournament the previous year despite being all first-year students. Hisa asks Saki and Nodoka to help out at Mako's family's cafe, telling them that learning about the real world is also important to improve their mahjong skills. When they arrive at the cafe, they see that it is actually a maid cafe, and they have to wear embarrassing maid uniforms. Patrons can also play mahjong there, and Saki and Nodoka easily win against two customers. After one leaves, a woman who Saki is intimidated by joins them. The woman completely mops the floor with them, and at the end it is revealed that she is Fujita, a professional mahjong player. Saki and Nodoka later find out that Hisa set the whole thing up so that they could also feel what real defeat is like. Hisa explains that the club is going on a training camp to improve their skills.

#8 - Meeting

Season 1 - Episode 1

Saki Miyanaga is a skilled mahjong player, but she hates the game since she would be punished by her family whether she won or lost when she played with them. Upon entering high school, Saki's friend, Kyōtarō Suga, takes her to their school's mahjong club so Saki can be a fourth player. There, she meets Nodoka Haramura, a very skilled mahjong player and previous junior high champion, and Yūki Kataoka, an energetic first-year who is skilled in mahjong though has trouble staying focused. Saki only plays a few hands and leaves shortly after the club president and student council president, Hisa Takei, wakes up. Hisa notices Saki managed to keep her score at zero, a difficult feat. Hisa manages to get Saki to come back the next day to play a couple more games with Nodoka, Yūki, and Mako Someya, a second-year member of the club. Saki shows her skill in mahjong by attaining the zero score in the first game.

#9 - The Tournament Begins

Season 1 - Episode 6

After arriving at the tournament area, Saki gets separated from her friends, and during this time Nodoka gets hounded by reporters due to her having won last year's national junior high school tournament. After Saki makes it back to the others, Hisa explains the order of the players, starting with Yūki, followed by Mako, herself, Nodoka, and finally Saki. While initially underestimated by her opponents, Yūki wins many hands, nearly shutting out the others. Afterwards, Mako and Hisa also make quick work of their opponents, ending with a commanding lead. When it is Nodoka's turn, more people show up to watch her match.

#10 - Tradition

Season 1 - Episode 7

Nodoka walks into her match holding her penguin stuffed animal which causes a stir among the observers and her own opponents. Nodoka plays extremely well, and of the competitors from Ryūmonbuchi, Tōka, notices her similarities to a famous skilled online mahjong player known as Nodocchi. She tries telling this to her teammates, but they still do not think it can be true. Saki makes short work of her round by taking the remaining points from one of the players, and the team progresses on to the semi-finals round. In the semi-finals, Saki's team makes it through to the finals, along with Ryūmonbuchi, Kazekoshi, and Tsuruga Academy. One of the members from Kazekoshi, Kana Ikeda, gets harsh treatment from their coach for not playing up to her expectations, despite the fact they made it to the finals. The captain of the the team, Mihoko Fukuji protects Kana, and after the coach leaves, the captain encourages her teammates in showing everyone that their school is the best.

#11 - Dealer's Streak

Season 2 - Episode 10

Nodoka has a dream where she meets up with Shizuno and the others and ponders about its meeting. Meanwhile, the first half of the vanguard match finishes, with Teru still ahead, although the Achiga girls manage to figure something out about Teru's play style which they pass on to Kuro. Teru continues to dominate the second half, managing to get a 100,000 point lead over Senriyama, when Toki recalls when she previously attempted to look two turns ahead and ended up collapsing. Having secretly practised at home, Toki decides to put her double turn peek into practice.

#12 - Faith

Season 2 - Episode 7

During the fourth match featuring Arata, some tough competition puts Achiga back into third place behind Kentani. As it comes down to the last hand of the final match, Shizuno faces tough odds. However, her determination to not give up gives her the opportunity to get back into second place, allowing Achiga to proceed to the semi-finals alongside Senriyama. As the girls celebrate their victory, Harue warns that in the semi-finals, they'll not only be facing Senriyama, but Shiraitodai as well. As the girls go out to eat, they spot Harue with Kumakura, who is talking with her about potentially joining the pro circuit again. As the girls start worrying that Harue may abandon them, they run into Tsuruga Academy's Momoko Touyoko and Satomi Kanbara.

#13 - Last Night

Season 1 - Episode 8

The Kiyosumi team takes the train back to town since they do not have enough money to stay in a hotel near the tournament. Hisa tells Mako how she was the reason why Hisa held on to the hope that more girls would join the mahjong club the next year so that they could go to the prefectural tournament together. Nodoka recounts to Saki how she used to play mahjong only on the Internet due to lack of players, but after entering junior-high school met Yūki and others, leading them to enter into the junior-high tournament, though only Nodoka advanced. The girls from Kazekoshi talk about how their captain, Mihoko Fukuji, does most of the work for the club, and since it is her last year, they want to play as hard as they can so they can go to the national tournament. Tōka dispatches a butler to bring Koromo Amae to the tournament, who had been sleeping all day.

#14 - Enlightenment

Season 1 - Episode 9

The final's first round starts when Ryūmonbuchi representative Jun Inoue accidentally eats Yūki's only taco. The latter cries and causes a commotion, but Mihoko shares her lunch box with her. As the game progresses, Jun starts to win many hands and pressures Yūki who is gradually losing her confidence. Mihoko opens her right eye and uses her power to read the game's flow in order to help Yūki gain her points back from Jun. Jun gets irritated over the two teaming up against her while Yūki thinks Mihoko is her ally. However, Mihoko surprises everyone with her continuous winning, and both Jun and Yūki finally realizes that she is the true enemy. The first round ends with Mihoko completely dominating the game points for the Kazekoshi team.

#15 - Withering

Season 3 - Episode 6

#16 - Beginner

Season 1 - Episode 10

Hisa recommends Saki and Nodoka take a nap before their matches, and while Nodoka initially declines, she decides to go so that Yūki does not have to cry in front of her and Saki following her match. Mako's turn comes up, and Hisa explains that she takes off her glasses in order to remember past matches she had witnessed.

#17 - To Tokyo

Season 3 - Episode 1

#18 - Awaken

Season 1 - Episode 12

Mihoko arrives to pass along the information to her companion, and Hisa barely recognizes her. Koromo takes the torn penguin to her butler, who fixes it, and she returns it to Nodoka. While Nodoka expresses her gratitude, she leaves quickly and is unable to hear Koromo's name.

#19 - Determination

Season 2 - Episode 11

Toki uses her ability to look two turns into the future, enabling her to stop Teru's streak but leaving her extremely weak in the process. Meanwhile, Kirame recalls how her team chose her to be the sacrificial pawn owing to her purported ability to never go bust. As the game approaches its climax, Toki is left incredibly weak and is supposedly unable to use her ability. Meanwhile, as Saki, Nodoka and Yuki arrive at the arena, Saki appears to be preoccupied with something. As Toki remains under pressure as Teru decides to prolong the match, she recalls how her teammates supported her during a training camp. Determined to help her team, Toki decides to take a risk and attempt to look three turns into the future.

#20 - Fever

Season 1 - Episode 13

The fourth round begins off slow with Nodoka winning a small hand, and as play continues, the players continuously keep on getting draws. Eventually, Nodoka is able to get more into the game, and ups her skills like when she is playing online. By the time of the last hand of the first half of the round, only Nodoka has won any hands and has pulled ahead of the other three.

#21 - Existence

Season 1 - Episode 14

Tōka makes a slight comeback, ruining Nodoka's perfect run, but then falls into a play laid by Tsuruga's Momoko Tōyoko, whose presence is so small her calls for riichi cannot be heard by her opponents. She had trouble being noticed and had abandoned all communication until she was found by her school's mahjong club leader, Yumi Kajiki.

#22 - Prank

Season 1 - Episode 11

The third round starts and Hisa puts to work her strategy of sticking to the bad waits in order to get the big scores, knocking off Kazekoshi's lead. Hajime Kunihiro helps gain a slight comeback while avoiding her slight-of-hand habit. Meanwhile, Nodoka wakes to find that her penguin is missing and leaves Saki to go look for it.

#23 - Nightmare

Season 1 - Episode 17

During the break, Mihoko goes to comfort Kana, and Nodoka catches up with Saki to reaffirm their promise and rebuild her confidence. Fujita warns Koromo to play mahjong properly.

#24 - Connection

Season 1 - Episode 18

Remembering the pact she had made with Mihoko, Kana gets a burst of confidence and regains a lot of points. Yumi also gets a good play, and Koromo, having paid all her attention to Saki, gets a little agitated. Saki takes off her shoes and socks, remembering the times she played mahjong at home and at the training camp.

#25 - Conspiracy

Season 1 - Episode 16

As the round continues, Saki finally recognizes Koromo's aura. She starts putting pressure on her opponents by reducing their tenpai probabilities and playing two haitei raoyue moves in a row. However, this is broken up when Yumi allows Saki to win with a her discard. Yumi then follows this up by getting some points from Kana.