REBORN!: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of REBORN! Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
The World Ten Years Later
Mar 15, 2008
Reborn is hit by Lambo's ten year bazooka and sent to the future. The strange thing is nobody came in his place. Thus Tsunayoshi Sawada tries to make Adult Lambo appear by taking L
Hideout
Mar 22, 2009
Tsuna and Gokudera venture with Lal Milch in the woods. They come across a machine dangerous called a Mosca Robot. The future Takeshi Yamamoto defeats the robot and leads them into
Guardian Search
Mar 29, 2008
Tsuna, Gokudera and Yamamoto goes out of the hideout and to the outside. They try to find Kyoya Hibari but run into Lambo and I-pin protecting Haru Miura and Kyoko from two Millefi
The Resolution`s Flame
Apr 5, 2008
Yamamoto is knocked unconscious by the Millefiore members while trying to protect everyone. Gokudera uses his ring and opens his box weapon to reveal a cannon. He defeats one of th
Clue of the past
Apr 12, 2008
While recovering from his injuries, Tsuna learns the only way to return to the past is to gather the guardians, defeat Byakuran and eliminate the man with the glasses, Shoichi Irie
The First Trial
Apr 19, 2008
Tsuna manages to open the box given to him by Lal Mirch to reveal an Arcobaleno Pacifier, but made of stone. When the base receives a SOS signal, it is found to be from Hibird. Kyo
Discord
Apr 26, 2008
Tsuna and Lal Mirch search for Kyoko while Gokudera and Yamamoto search for Hibird. As they are searching, Gokudera and Yamamoto encounter Gamma, one of the Six Funeral Wreaths of
Combination
May 3, 2008
Tsuna and Lal Mirch manage to find Kyoko at the house of the future Hana Kurokawa. During the fight with Gamma, Gokudera is almost killed but saved by Yamamoto. Settling their diff
The Strongest Guardian
May 10, 2008
As Gamma is about to deliver the finishing blow to Gokudera, the future Hibari arrives to save him. Hibari manages to defeat Gamma with his hedgehog box animal and tonfas, both whi
Information Divulged
May 17, 2008
When the battle is over, Hibari shows Tsuna and the others the entrance to his base which is also connected to the Vongola base. Once everyone returns to the Vongola secret base, B
The Long Road Home
May 24, 2008
When I-Pin becomes sick, Kyoko and Haru decide that Haru should bring her to a doctor. Haru manages to sneak away from the Millefiore and visit a doctor. Haru is later noticed by o
Where's the Base
May 31, 2008
Lambo sneaks out of the base when Fuuta goes out to fix a loose cable. Lambo is captured by a Millefiore member who demands the location of the Vongola base. Lambo uses him to his
The Most Terrifying Tutor
Jun 7, 2008
Tsuna's training with Hibari begins. During their battle, Tsuna is trapped enclosed by Hibari's hedgehog box weapon. Hibari reveals Tsuna will die from lack of oxygen if he does no
Succession
Jun 14, 2008
Yamamoto and Gokudera begin their training. Whilst Tsuna is in the spike ball, he has a visions of all the Vongola Bosses and their past wrong doings. The bosses demand Tsuna to ac
7³ Policy
Jun 21, 2008
Hibari decides to let Tsuna live, wanting to fight Tsuna when he is finished training. The history of boxes is explained thoroughly by Hibari. Whilst explaining, Bianchi is also ex
Piano of Sorrow
Jun 28, 2008
In this episode, Tsuna and Yamamoto learn about Gokudera's past. It is revealed that Hayato is an illegitimate child, born of Bianchi's father, the head of their mafia family, and
Gufo di Pioggia
Jul 5, 2008
Glo Xinia immediately attacks Chrome, who is in a state of panic and confusion due to suddenly being transported 10 years into the future. Just as the battle seems to be over, in G
What You Believe In
Jul 12, 2008
With no escape routes available, and Mukuro Rokudo being in a weakened state, Mukuro explains to Chrome Dukuro that it is up to her to win the fight. Drawing power from both her tr
Your Choice
Jul 19, 2008
Chrome is brought back by Ryohei to the Vongola Hideout, and delivers the message to the surviving Vongola family members—including the Varia—along with several Alliance families,
Level D Security Alert
Jul 26, 2008
Due to the Dellinger Phenomenon, the sun has interfered with all signals and has caused technical difficulties worldwide. Because of this, the defenses within the hideout are turne
Identity Revealed
Aug 2, 2008
The incident that Lambo caused comes to an end, and Tsuna and the others begin their training again. Lal suddenly orders Tsuna to watch everyone else's training. Tsuna is confused,
Determination
Aug 9, 2008
Chrome's condition has been stabilized after Hibari tells her it is her duty to live as the Mist Guardian. She uses the Vongola Ring and creates incomplete organs, barely enough to
X BURNER
Aug 16, 2008
Tsuna apologizes to Haru and Lambo and thanks to them, figures out that behind power, is support. Tsuna tries to release a "hard flame" with "soft flame" supporting him, but fails
The Great Chase
Aug 30, 2008
Gokudera's kitten box weapon dashes off and Gokudera makes chase. Recaps of Goukerdera and Tsuna in the future arc starting with episode 74.
Declaration of War
Sep 6, 2008
Byakuran calls Irie and tells him that Mukuro has been defeated and that he was found to be transmitting data, possibly to the Vongola Tenth. Byakuran tells Irie that he is the mos
The Final Trial
Sep 13, 2008
Yamamoto watches DVDs of Squalo's battles swordsman in order to learn from them. Tsuna's training with Hibari continues, this time, he tries to use his Vongola Gloves to fire off f
The Night Before the Raid
Sep 20, 2008
Yamamoto and Gokudera have finished their training. Meanwhile, Tsuna loses his charm made by Kyoko. Later, he bumps into her and she gives him it back, then the first black spell b
Night Attack
Sep 27, 2008
Tsuna and the others prepare for their attack the next day. They've been given Marmon covers on their rings which will hide them, dying will resistant clothing, and a communication
Mission Start
Oct 4, 2008
Hibari starts knocking the Millefiore members unconscious one by one. The place he lured them to is revealed to be meant for attacks like this. The Vongola find out that one of the
The First Barrier
Oct 11, 2008
Tsuna and the others escape the ducts by breaking it open and falling to the ground below. There they face Dendro Chilum. Tsuna defeats him with the X Burner and they continue in t
Magician of Fate
Oct 18, 2008
They continue on and encounter GingerBread, a young boy who asks them whether they are after him for revenge for their friend, Colonnello. Lal Mirch battles GingerBread but is seve
Regret
Oct 25, 2008
GingerBread reveals that Colonnello died by saving Viper who then killed himself out of hopelessness. Lal Mirch remembers back to the past before she becomes an incomplete Acrobale
The Student's Maturation
Nov 1, 2008
To avoid being trapped by Millefiore, Lal Mirch volunteers to distract them. Tsuna volunteers in her place since he is the most mobile with his X-Gloves. The team make their way de
Absolute Desperation
Nov 8, 2008
Tsuna escapes from the grasp of the Moscas and continues his battle. He defeats them the minions but the man named Spanner who pilots the King Mosca remains. Tsuna prepares to give
A Man's Box Weapon
Nov 15, 2008
Tsuna's family become worried at the amount Tsuna is gone while they continue searching the base. While crawling through an air duct, they run into Baishana and Nigella fighting. N
Captive
Nov 22, 2008
Tsuna awakens to find himself a captive of Spanner. Spanner tells him he has covered up Tsuna's whereabouts by reporting him as missing to the Millefiore. Meanwhile, Ryohei continu
The Secret of Merone Base
Nov 29, 2008
Ryohei defeats Baishana and his box weapon with a move called "Maximum Ingram". Back at the Vongola hideout, Haru is worried about Tsuna and Kyoko is worried about her brother. Ryo
The Enemy Is Octopus Head
Dec 6, 2008
The base is moved by Irie Shouichi and Ryohei and Gokudera are separated from Yamamoto and Lal Mirch. Ryohei and Gokudera then run into a white spell Millefiore member who uses his
Boomerang Trap
Dec 13, 2008
Yamamoto ends up in a room full of pipes. There he meets a white-spell Millefiore member who uses a boomerang with the storm flame to attack him. Yamamoto realizes that he could no
Lightning Strikes Again
Dec 20, 2008
Ryohei ties up Gokudera with a box weapon to make the battle fair against Gamma. Tsuna meanwhile attempts to escape from Spanner but Reborn who is able to get in contact with him a
The Storm Guardian, Stands
Dec 27, 2008
Ryohei manages to heal himself and continues his battle with Gamma. He is however defeated by Gamma's Electric Tower technique. Gokudera is free from the ropes and reveals his Sist
SISTEMA C.A.I
Jan 10, 2009
Gokudera talks about his Sistema C.A.I. and explains how he discovered its use. Hibari continues his way into the subway and uses his box weapon to trap the Millefiore members on t
Difference in Resolve
Jan 17, 2009
Gamma manages to open a box to unleash his box animal powers, turning his foxes black in color. Gokudera is defeated, but Gokudera's box animal Uri comes out of Kangayuu's pouch ch
Storm Fights Back
Jan 24, 2009
It is revealed the Sun flames from Ryohei's box animal was used by Uri to transform. Uri manages to hold back Gamma's box animals while Gokudera deals with Gamma. Meanwhile, Gamma
The Princess's Conviction
Jan 31, 2009
In Gamma's memory, after a failed bargaining with the Millefiore Family, Genkishi returns with injuries to the Giglio Nero family. Yuni decides to meet with Byakuran to prevent any
Interval Between Battles
Feb 7, 2009
Lal Mirch recaps what has happened during their invasion of the Milliefiore base up to the point Gokudera's and Gamma's battle.
Virtual Space
Feb 14, 2009
Tsuna needs to be placed in battle so the contacts can be adjusted for the X-burner. Tsuna puts on gears that puts him in a virtual space to fight Moscas; he could die if he dies i
Two Battles
Feb 21, 2009
Yamamoto runs into the same black spell member Nosaru. Meanwhile, Tsuna after a long battle defeats the mysterious Ultimate Cube. Yamamoto in his battle manages to push back his en
The Ultimate Swordsman
Feb 28, 2009
Tsuna's contacts are completed and Tsuna waits for the contacts to adjust. Iris and Gingerbread investigate Spanner and suspect him of harboring Tsuna. Yamamoto ends up in a room o
Teachings of the Sword Emperor
Mar 7, 2009
Yamamoto and Genkishi continue to battle, until Yamamoto's sword appears cracked. He then remembers in the video Squalo sent him of Genkishi, that he mentioned mist illusions have
Obstructing Mist
Mar 14, 2009
Chrome was revealed to have impersonated a person in the base. Yamamoto is defeated by Genkishi who reveals the room they were fighting in had steel walls covered by the mist causi
More Intruders
Mar 21, 2009
Gokudera and Gamma finish the battle destroying the battlefield. Meanwhile, Reborn and Tsuna figure out that the circle machine was created by Irie Shouichi for time travel causing
The Strongest versus The Strongest
Mar 28, 2009
Hibari and Genkishi match each other blow for blow. Meanwhile, Iris gives her death squad a power boost. Another squad team is sent to defeat Chrome, but her illusions of Yamamoto,
A Bewitching Flower
Apr 4, 2009
Hibari use his last 3 rings for Reverse Neddle Sphere. Iris's death squad attacks Tsuna and Tsuna fights back which defeated 2 of 4 of Iris's death squad. Hibari from the past come
The Head Prefect Comes
Apr 11, 2009
Genkishi finds the Hibari from ten years past in Hibari's place. Meanwhile, Tsuna is still fighting the Deathstalk squad and is having difficulty due to Iris propagating her squad.
Operation X
Apr 18, 2009
Chrome finds Gokudera in the ruins of the battlefield. Meanwhile, Tsuna continues his battle with Iris and Gingerbread. Spanner completes the contact lenses which then allows Tsuna
Resolve and Irritation
Apr 25, 2009
Tsuna defeats Iris and Gingerbread with his X-Burner while destroying three rooms in the process. Meanwhile, Genkishi was about to kill Hibari when the others manage to arrive to H
Rampage
May 2, 2009
When Hibari opens his original hedgehog box weapon, the hedgehog starts to act drunk from the amount of flames from Hibari's Dying Will given to it. After accidentally poking Hibar
Final Block Of Defense
May 9, 2009
Tsuna flies through Merone Base with a mission to find Shoichi Irie and the white, round device in his laboratory. Irie tries to interfere with Tsuna's movements by moving Merone B
A Game-Changing Move
May 16, 2009
Genkishi engages Tsuna in a battle using his hell ring, an armour and a special sword. Tsuna is at a disadvantage as he does not have much energy left due to firing the X Burner fe
Hell Knight
May 23, 2009
Genkishi recalls a certain memory of when he had been ordered by Byakuran to annihilate the Giglio Nero Family but was too intimidated by Uni's eyes to do so. Genkishi tries to gai
Arrival
May 30, 2009
Tsuna unleashes a full powered X-Burner and defeats Genkishi. In the wreckage, Tsuna finds Irie Shouichi's white round machine. Irie appears and reveals he's holding all of Tsuna's
Revealed Truth
Jun 6, 2009
Shouichi tranquilizes the Cervello before they could kill Tsuna's friends. He reveals he is on the Vongola's side, and that all the events that have occurred was a plan devised by
Main Battle in Italy
Jun 13, 2009
The Varia split up into three groups, Squalo, Lussuria with Levi, and Bel with the new illusionist member of Varia named Fran. Squalo meanwhile finds out Xanxus is displeased with
Twin Princess
Jun 20, 2009
Sil is revealed to be one of the Six Funeral Wreaths. Bel, Fran, Olgelt, and Sil release their box weapons for battle. Sil's box weapon is revealed to be a Storm Bats with the abil
Furious Roar
Jun 27, 2009
The corpse of Bel and Fran are revealed to be illusions of Fran, who wanted to see whether Sil or Xanxus is stronger. Olgelt sends his Rain Elephant after Xanxus but they become pe
Another Sky
Jul 4, 2009
Xanxus returns Besta to his box, warning Sil that when he releases Besta, he will be finished. Xanxus demands Sil to call Byakuran. Sil refuses and attacks Xanxus with his Storm Ba
Reunion
Jul 11, 2009
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.