Episode 1 - Episode 1

Episode 2 - Episode 2

Episode 3 - Episode 3

Episode 4 - Episode 4

Episode 5 - Episode 5

Episode 6 - Episode 6

Episode 7 - Episode 7

Episode 8 - Episode 8

Episode 9 - Episode 9

Episode 10 - Episode 10

Episode 11 - Episode 11

Episode 12 - Episode 12

Episode 13 - Episode 13

Episode 14 - Episode 14

Episode 15 - Episode 15

Episode 16 - Episode 16

Episode 17 - Episode 17

Episode 18 - Episode 18

Episode 19 - Episode 19

Episode 20 - Episode 20

Episode 21 - Episode 21

Episode 22 - Episode 22

Episode 23 - Episode 23

Episode 141 - Reunion

Shoichi Irie tells Tsuna that in order to open the Vongola Box, the Seven Arcobaleno Seals are needed. In order to obtain the seals, Tsuna needs to overcome the Arcobaleno trials. To do so, Irie will momentarily send everyone who came from 10 years ago back home. Chrome Dokuro asks Irie on Mukuro Rokudo's status and Irie reveals that his death was not confirmed. Tsuna and the others return to the Vongola base where they are reunited with everyone else. At the base, Ryohei Sasagawa is filled in on the events that have occurred and Tsuna thinks how he should tell Kyoko and Haru about this and whether they could return to the peaceful days again.

Episode 142 - The Strongest Seven

Back in the past, the 7 Arcobaleno are heading to Namimori to present Tsuna with their trials. Meanwhile, in the future, Irie is telling Tsuna and his friends the details before sending them to the past. He reveals that although months have passed in the future, only three days have passed in the past. He warns them that they should not tell anyone what happens in the future for fear of affecting it. He also tells them that the Arcobaleno Trials are a week long and must be completed without fail. Using Irie's device, they are sent back in time. Everyone resumes their normal lives. The Irie Shoichi of the past receives a letter from himself that tells him to place the Ten-Year Bazooka under the Namimori Shrine. Hayato Gokudera and Takeshi Yamamoto arrive to Tsuna's house where Reborn informs them that the Arcobaleno trials involve Tsuna's guardians. He then explains the background of each Arcobaleno and reveals they each have a special ability.

Episode 143 - Trial #1

The next day, Tsuna's class receives two transfer students, Monta Hariyama and Himeko Hariyama. During the break, Tsuna is attacked by Lal Mirch of their time period who reveals she will be the observer of the Arcobaleno trials. Colonnello appears and reveals he is their first opponent in the trial. Colonnello chooses Tsuna and Gokudera to undertake the first trial. The goal of the first trial is to grab the button on Colonnello's headband. Tsuna and Gokudera are overwhelmed by Colonnello's traps and attacks. Tsuna tells Gokudera that fighting separately will not work and they must work together to defeat Colonnello.

Episode 144 - The Arcobaleno Seals

Colonnello continues to overwhelm the two. He is defeated when Gokudera distracts Colonnello for Tsuna to use X-burner on him. Colonnello gives Tsuna the Arcobaleno Seal, which causes all the Vongola rings to glow simultaneously. Skull makes his appearance and is revealed to be scheming something with Viper. Later, a person pretending to be Tsuna provokes Kyoya Hibari and Mukuro, causing them to pursue the imposter. Tsuna and Reborn are heading to Chrome's hideout to give her some bentō and end up meeting Mukuro and Hibari. Mukuro and Hibari begin their battle against each other.

Episode 145 - Guardian Showdown! Cloud and Mist

Mukuro and Hibari continue their battle and Lal appears announcing this is the second trial. Skull calls his pet octopus to combat but Tsuna easily defeats it. Afterwards, he stops Hibari and Mukuro from battling each other and Lal announces Tsuna has passed the second trial, charisma. At night, Monta Hariyama and Himeko Haryiyama are seen plotting a suspicious plan. The next day, Tsuna receives a phone call demanding him to meet the person at school or face dire consequences.

Episode 146 - Box Weapon Prototype

Tsuna, Yamamoto and Ryohei are called out to Namimori Middle School where they encounter Mammon, who reveals he has Kyoko hostage. Mammon begins Tsuna's trial with a set of riddles which leads them to various locations. The final riddle leads them to Namimori Shrine, where he reveals he did not have Kyoko hostage. Mammon uses a box weapon and releases a starfish to battle the three and is quickly defeated. Tsuna passes Mammon's trial of adaptability and receives the seal. Reborn asks Mammon about his box weapons and the latter replies that the boxes have been showing up in the mafia and he was asked to test them out by the Arcobaleno Verde.

Episode 147 - Catch the Wind

Tsuna returns home after completing the trial. The next day, Tsuna receives a letter from the Arcobaleno, Fong, who is also revealed to be I-pin's Martial Arts sensei. The letter tells Tsuna and his guardians to search for him around town. Tsuna, Lambo, and Haru find Fong at Namimori Middle School. Fong's trial is revealed to test Tsuna of his leadership capabilities. Tsuna is required to catch Fon in one hour by using the people at his disposal. Fong is eventually caught by Tsuna with the help of I-pin who had been hiding in the shadows, and passes the trial. I-pin, having spotted Hibari, becomes embarrassed and activates her Pinzu Time Bomb and is thrown out the window before exploding.

Episode 148 - Two Successors of the Sky

Tsuna and his friends discuss who the remaining Arcobaleno are. At that moment, a woman wielding an orange pacifier, named Aria, arrives with Haru and Kyoko and reveals that she will give Tsuna his next trial. Afterwards, she takes Tsuna along with Haru and Kyoko to guide her around town and treats Tsuna like a servant. The girls find Chrome and leave with her to buy some juice. At that moment, Tsuna and Aria are attacked by Verde's men but they are quickly defeated by Tsuna and his family. Aria reveals Tsuna has passed the trial of tolerance and grants him the Arcobaleno seal. Aria shares a quick dialogue with Reborn and leaves. That night, Reborn announces he will be the host of Tsuna's next trial.

Episode 149 - Reborn's Trial

Reborn tells Tsuna and his guardians to assemble at Namimori Island for the next trial. When everyone reaches Namimori Island, the trial is revealed to be a battle of Tsuna's family against Reborn. Reborn knocks Tsuna unconscious and battles against Tsuna's guardians. While watching the trial, Lal Mirch recalls what had happened when the chosen seven to protect the Arcobaleno pacifiers met for the first time, and reveals that Reborn was the strongest of them. Tsuna regains consciousness after the defeat of his guardians and engages Reborn in battle. During the battle, Reborn reminisces on the day he became an Arcobaleno. Tsuna gains the advantage over Reborn, hesitates to use the X-Burner and is defeated. Reborn then announces Tsuna has failed his trial.

Episode 150 - A Path is Closed Off

While Tsuna's family is recuperating, Verde completes the first stage for his box weapons and decides to seek out the Vongola Rings to help him complete the second stage. All of the Arcobaleno, except Verde, gather at Namimori Shrine to discuss about the trials. Tsuna, Gokudera, Yamamoto, and Ryohei discuss about their battle with Reborn and how they lacked resolve in the trial which caused their defeat. At that moment, Verde sends his inventions to attack the Vongola Ring holders. Reborn announces to Colonnello and Lal Mirch that Verde has broken the Arcobaleno pact and must be stopped.

Episode 151 - Once the Rainbow is Complete

Verde sends out robots to seek the Tsuna's missing two guardians, Lambo and Hibari. Hibari defeats his robot and Fong defeats the robot pursuing Lambo. Soon after, the other Arcobaleno's arrive to investigate the disturbance. Verde reveals he planned to gather the seven Arcobalenos and uses a machine that emits non-trisette rays to restrain the Arcobalenos. Using his robots, he captures the Arcobalenos and takes them to his ship.

Episode 152 - A Boss' Resolve

Verde demands Tsuna and his guardians to surrender the Vongola Ring in return for the Arcobaleno's lives. Tsuna refuses to compiles as the rings will be needed for the future battles and declares they shall defeat Verde and save the Arcobaleno. Verde uses a machine and absorbs their flames and uses it to power his box weapons. Unable to utilize ring flames, Verde begins to overwhelm them. Tsuna and his friends regain their resolve and are able to utilize the ring flames to gain the upper hand. When Tsuna destroys the machine emitting non-trisette rays, Verde seemingly kills the Arcobalenos by self destructing his robots. Reborn reveals that the Arcobalenos who were captured by the robots were illusions and that they were waiting until the non-trisette rays dispersed. After Verde's defeat, it is revealed to be a robot and Verde is hiding elsewhere.

Episode 153 - The Final Seal

Tsuna, with his Hyper Intuition, feels that Verde is nearby and finds Verde hiding in a nearby island. Verde declares his research is complete after gathering data on the Vongola Rings' Flames and states he will not need the Vongola Rings any more. He gives Tsuna the Arcobaleno seal as he has passed Verde's trial of Intuition. As they leave Verde's base, Reborn tells Tsuna he has passed his trial after showing his resolution to protect his friends in the previous battle and gives Tsuna his Arcobaleno Seal. With all seven seals gathered, Tsuna and his friends meet at Nanimori Shrine. Using the ten-year bazooka, they are sent back to the future where Irie greets them and announces they shall train for the battle against Byakuran.

Episode 155 - The Real Six Funeral Wreaths

Bianchi takes Kyoko and Haru to the Vongola base while leaving Tsuna and his guardians to discuss the upcoming battles with Shoichi. Byakuran sends a holographic image stating he wants to have an official battle between the Vongola and the Milliefiore in a battle of Choice. He reveals to Irie that the Funeral Wreaths and the mare rings they wielded were fakes and he had gathered the Real Six Funeral Wreaths in secret from Irie as he had expected the betrayal. Byakuran then activates the teleportation system in the Merone base transporting all but the White Round Machine, and Tsuna along with his friends. Irie reveals that since they have completed the Arcobaleno trials, Tsuna's guardians are given their respective Vongola boxes for the upcoming battle.

Episode 156 - Inspiring Allies

After a long discussion, it is decided Tsuna and his friends rest for the first few days before commencing training for the battle of Choice in ten days time. At the Vongola base, a ring signature was caught on radar and Tsuna and his friends investigate. Tsuna and his friends find Basil from ten years ago to be the cause. At the Vongola base, Basil explains he was sent to the future ten days ago and was given a ring, a box weapon, and a book containing information about his situation and orders to assist Tsuna and his friends.

Episode 157 - Namimori Holiday

Tsuna and his friends split up and explore the Namimori of the future. They all coincidentally meet in front of their school, Namimori Middle, and relax in their classroom. Tsuna realizes that to return to their own time, they must defeat Byakuran in the battle of choice. On the roof of Namimori Middle, Hibari encounters the future Dino who insists on training him.

Episode 158 - A Warm Place

Kyoko and Haru become concerned that Chrome has not been eating, since she is not used to the kindness of others. Hoping to cheer her up, Tsuna attempts to find out more information on Mukuro's whereabouts from Irie, but to no avail. During a welcome party for Basil, I-pin sneaks off into Chrome's room and manages to get her to eat some gyoza. The next day, Kyoko and Haru find Chrome helping out with the dishes, and they start to become good friends.

Episode 159 - For My Friends

Gokudera brings a newspaper from the current time from which Yamamoto learns about Namimori Middle's baseball team's consecutive losing streak and how the baseball club may be canceled. He heads to Namimori middle and runs into three first year members of the baseball club and offers to train them for the upcoming game. The next day, Tsuna and his friends watch the game. Namimori middle baseball team becomes discouraged as the mercy rule will be imposed if they can not gain a point. The batter, being one of the three trained by Yamamoto, remembers he should do his best for friends, and hits a home run. Yamamoto feeling satisfied with the team's progress, promises to help Tsuna defeat Byakuran.

Episode 160 - Gaining Mobility

Gokudera brings a newspaper from the current time from which Yamamoto learns about Namimori Middle's baseball team's consecutive losing streak and how the baseball club may be canceled. He heads to Namimori middle and runs into three first year members of the baseball club and offers to train them for the upcoming game. The next day, Tsuna and his friends watch the game. Namimori middle baseball team becomes discouraged as the mercy rule will be imposed if they can not gain a point. The batter, being one of the three trained by Yamamoto, remembers he should do his best for friends, and hits a home run. Yamamoto feeling satisfied with the team's progress, promises to help Tsuna defeat Byakuran.

Episode 161 - Airbike

Reborn tells Tsuna and his friends that they must master the airbikes before the Battle of Choice. While Tsuna's friends have quickly mastered the airbikes, Tsuna has yet to grasp the basic. While talking to Kyoko and Haru, Tsuna realizes he must learn how to ride the airbike one step at a time and continue to practice. With the help of his friends, Tsuna is able to grasp how to ride the airbike.

Episode 162 - The Sky Vongola Box

After they finished practicing on the airbikes, Reborn tells Tsuna and his friends they shall train tomorrow on opening their respective Vongola Boxes. Tsuna's box weapon shakes violently that evening and Tsuna opens it and releases his box weapon. Tsuna's box weapon attacks him and with the help of Yamamoto and Basil, they are able to seal the box weapon back to its box. Dino arrives and tells Tsuna his box weapon attacked him because he opened it incorrectly and comments that the Sky Box Weapons must be used delicately.

Episode 163 - Terror! Turmoil on Base

Dino in his room unleashes his box weapon but is accidentally swallowed by it. One by one, Tsuna's friends are swallowed by the box weapon until Tsuna and Basil are the only ones who remain. Tsuna contemplates to destroy the box weapon to stop the menace but hesitates when he realizes his friends will die with it. The box weapon begins to lay eggs and inside are Tsuna's friends who has been eaten by the box weapon. Dino reveals that the box weapon he bought rejuvenates those that it eats. Reborn tells Tsuna and his friends that they will begin to train with their Vongola Boxes.

Episode 164 - Vongola Box, Training Begins

Dino gives each of the Vongola guardians individual training regimes for their Vongola Boxes. Unbeknownst to them however, Haru and Kyoko had eavesdropped on their conversation. Lambo manages to open his Vongola Box, but Tsuna still has trouble controlling his. Meanwhile, Squalo travels to Japan.

Episode 165 - Boycott Declared

Kyoko and Haru confront Tsuna and company about what they heard. When Tsuna refuses to tell them anything, the girls start a boycott, refusing to do any housework until they tell them. The guys struggle to do the housework, as well as their training. After talking with Bianchi and noticing Chrome's training wounds, the girls reconsider their decision. Tsuna is tricked by Bianchi into thinking Kyoko is in danger and rushes after her. Although Kyoko decides to end the boycott, Tsuna decides to tell her everything anyway, having realised how selfish he was being. After talking with Kyoko, she helps Tsuna figure out how his Vongola Box works.

Episode 166 - With the Same Heart

Tsuna tells everything he told Kyoko to Haru, who is a bit shocked at the scale of everything, but holds in her sadness until Tsuna leaves. Byakuran hacks into the communications system, giving them the date and location of Choice, and informing them that they will need to bring everyone who came from the past, including Kyoko and Haru. Reborn lets slip that Tsuna told the girls everything, which makes Ryohei mad at Tsuna, even punching him. Just then Squalo appears, beats up Yamamoto and takes him away in order to train him. During the six days leading up to Choice, everyone manages to finish their training.

Episode 167 - Day of the Battle

As the Real Six Funeral Wreaths prepare for battle, Tsuna pays a visit to Lal Mirch. Afterwards, everyone puts on special mafia suits made from Leon's thread. They arrive at Namamori Shrine, where Shoichi has prepared a base of operations. However, Yamamoto and Hibari have yet to arrive. Byakuran appears, telling them they'll need to provide a massive amount of Dying Will flame energy to activate a teleporter to take them to the battlefield. Yamamoto and Hibari arrive at the last minute and, with their Vongola Boxes, the group manage to produce double the power needed.

Episode 168 - Choice Begins

Tsuna and co are transported to the center of an abandoned city where the battle of choice is to take place. They spin a roulette to decide which members will participate in the battle. Tsuna's team consists of Yamamoto, Gokudera, Irie, Spanner, and himself while Byakuran's consists of Kikyo, Daisy, Torikabuto, and Torikabuto's underling Saru. Before the battle begins, Byakuran explains that each team has a target that must be defeated in order to win the battle; the target for the Millefiore family is Daisy while the Vongola's is Irie. The winner of the battle shall be awarded the Mare Rings, Vongola Rings, and Arcobaleno Pacifiers.

Episode 169 - Sky Lion: Leone di Cielo ver. Vongola

After setting up their base, Shoichi guides Tsuna through the intercom where he runs into Torikabuto. Tsuna is seemingly overwhelmed by Torikabuto's attacks until he releases his box weapon, the Sky Lion Na-Tsu. Torikabuto surrounds Tsuna with projectile attacks and seemingly impales him in a sphere of needles. However, Tsuna transforms Na-Tsu into a cloak and wards off the attack.

Episode 170 - Fateful Showdown

After Tsuna defeats Torikabuto with the help of Na-Tsu, Yamamoto encounters Saru. Saru reveals himself to be none other than Genkishi. However, Yamamoto surprises Genkishi with Kojiro, his box weapon, merging with Shigure Kintoki to form Asari Ugetsu. His other box weapon, Jiro, changes his three small swords as well.

Episode 171 - Revenge

Yamamoto defeats Genkishi and incapacitates him. While Genkishi expresses his disappointment not being one of the Real Six Funeral Wraths and not being appointed Byakuran's most trusted soldiers, Kikyo uses his box weapon and kills Genkishi. Kikyo reveals to Genkishi that it was under Byakuran's order to kill him when his usefulness is fulfilled. Tsuna's friends realizing, Byakuran's true nature, become even more motivated to win the battle of Choice.

Episode 172 - Kikyo's Assault

Kikyo reveals that the Funeral Wraths were holding back to entertain Byakuran who has become tired of flawless victories. Kikyo is able to bypass Gokudera and approaches the base where Irie is currently hiding. At the same time, Yamamoto attempts to break through the barrier and defeat Daisy before Irie is killed. Tsuna meanwhile is trapped in an illusion by Torikabuto who was revealed to have faked his own defeat.

Episode 173 - Choice Ends

Irie mobilizes the base in an attempt to escape from Kikyo. After a long chase scene, Kikyo manages to destroy the base and inflicts a fatal wound on Irie. At the same time Yamamoto breaks through the barrier and defeats Daisy and extinguish his marker. Tsuna, having escaped from Torikabuto's illusion with the use of his X-Burner, arrives to finds the marker on Irie has been extinguished. Daisy however regains consciousness and is able to relight his marker causing the Millifiore to be pronounced the Winner of Choice.

Episode 174 - The Truth about the Future

As Irie recovers from his injuries, he explains to Tsuna and the others about why is he obsessed with Byakuran. Using Ten-Year-Bazooka ammo he had received from Lambo's family 11 years ago, Irie went to the future and ran into Byakuran. When he revisited it, hoping to change, it awakened Byakuran's ability to retain the knowledge of different parallel worlds. Byakuran used this knowledge to conquer and destroy several parallel worlds. Eventually, the future Irie arranged for the younger Irie's memories to be temporarily wiped for five years in order to gain Byakuran's trust, since the current world is the only one that is not ruled by Byakuran.

Episode 175 - Yuni Comes

Irie reveals that their world has not been taken over due to his and Future Tsuna's intervention and that the plan to bring their past selves to the future was thought of by Future Tsuna. Byakuran demands the surrender of the Vongola rings after the Choice battle. However, due to Byakuran owing Irie a favor and Yuni's, the second leader of the Millifiore Family, opposition, the match is annulled. Yuni asks Tsuna to protect her and announces to Byakuran she will be defecting from the Millifiore.

Episode 176 - Escape

Tsuna and co. manage to ellude Byakuran with the help of an illusion made by Mukuro Rokudo and manage to activate the transport device returning them to Nanimori. While sheltering at the Vongola base, Tsuna wonders if they can defeat Byakuran.

Episode 177 - After the Battle

After Tsuna and his friends escape from Byakuran with the help of Mukuro Rokudo, Reborn visits Lal and updates her on the events happened so far about choice. As Lal hears every word, Reborn states now its up to them to protect Yuni from Byakuran and protect the future.