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The Best Episodes of Gundam Build Fighters Season 1

Every episode of Gundam Build Fighters Season 1 ranked from best to worst. Discover the Best Episodes of Gundam Build Fighters Season 1!

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Sei Iori is a Gunpla builder whose family runs a hobby shop in a small town. He aspires to be a Gunpla Battle champion like his father, but despite his exceptional building skills, he lacks

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Episode Rankings

  1. #1 Fan Favorite
    Gundam Build Fighters Season 1 Episode 1 - Sei and Reiji
    8.7/10(16 votes)

    #1 - Sei and Reiji

    S1:E1

    Sei Iori is a talented Gunpla builder, but lacks the confidence to become an effective fighter in a Gunpla Battle. One day, he meets Reiji, a mysterious red-haired boy, who displays his exceptional skills as a Gunpla Fighter by defeating Susumu Sazaki with Sei's newly constructed Build Strike Gundam.

    Director:Unknown
    Writer:Unknown

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  2. Gundam Build Fighters Season 1 Episode 2 - The Crimson Comet
    8.0/10(13 votes)

    #2 - The Crimson Comet

    S1:E2

    As Reiji copes with adjusting to Tokyo life, he picks a fight with school council member Monta Gonda. Sei and Reiji defeat Gonda in an exhibition Gunpla Battle, but are immediately bested by Tatsuya Yuuki and his Zaku Amazing.

    Director:Unknown
    Writer:Unknown

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  3. Gundam Build Fighters Season 1 Episode 3 - Full Package
    7.9/10(12 votes)

    #3 - Full Package

    S1:E3

    Sei completes an upgrade to the Build Strike Gundam while Mr. Ral gives Reiji an orientation on Gunpla Battle.

    Director:Unknown
    Writer:Unknown

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  4. Gundam Build Fighters Season 1 Episode 4 - Gunpla Idol Kirara
    8.4/10(12 votes)

    #4 - Gunpla Idol Kirara

    S1:E4

    Sei falls in love with a mysterious girl who is into Gunpla, unaware of her true intentions in Gunpla Battle.

    Director:Unknown
    Writer:Unknown

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  5. Gundam Build Fighters Season 1 Episode 5 - The Strongest Builder
    7.9/10(12 votes)

    #5 - The Strongest Builder

    S1:E5

    Sei and China meet Mao Yasaka, a young Gunpla Fighter from Kansai Prefecture.

    Director:Unknown
    Writer:Unknown

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  6. Gundam Build Fighters Season 1 Episode 6 - A Reason to Battle
    9.0/10(12 votes)

    #6 - A Reason to Battle

    S1:E6

    When Yuuki suddenly bows out of competition and takes an indefinite leave from school, Reiji begins to doubt his purpose in Gunpla Battle.

    Director:Unknown
    Writer:Unknown

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  7. Gundam Build Fighters Season 1 Episode 7 - World-Level Ability
    8.0/10(11 votes)

    #7 - World-Level Ability

    S1:E7

    As a reward for winning the Gunpla Battle Japan 3rd Block Championship, Sei and Reiji, along with China, Rinko, and Mr. Ral, take a vacation at a beachfront inn. But their vacation is cut short by a former Gunpla Builder who threatens the innkeeper to give him their property.

    Director:Unknown
    Writer:Unknown

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  8. Gundam Build Fighters Season 1 Episode 8 - Encounters of Fighters
    8.2/10(9 votes)

    #8 - Encounters of Fighters

    S1:E8

    Nils Nielsen, a 13-year-old genius, joins the American Qualifying Round of the World Championship to learn more about the secrets of Plavsky particles. Meanwhile, in Finland, Team Nemesis receives a new fighter named Aila Jyrkiainen from the Flana Institute.

    Director:Unknown
    Writer:Unknown

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  9. Gundam Build Fighters Season 1 Episode 9 - Wings of Imagination
    9.1/10(9 votes)

    #9 - Wings of Imagination

    S1:E9

    China completes her Gunpla Beargguy III (San), and when a painting of it wins the grand prize at the local art exhibit, her rival Caroline Yajima issues her a Gunpla challenge.

    Director:Unknown
    Writer:Unknown

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  10. Gundam Build Fighters Season 1 Episode 10 - The World Tournament Begins
    10.0/10(1 votes)

    #10 - The World Tournament Begins

    S1:E10

    As the 7th Gunpla Battle World Championships begins in Shizuoka, the Gunpla community is in shock when news spreads of reigning champion Carlos Kaiser's defeat at the hands of Aila. Meanwhile, Sei meets the other Gunpla Fighters at the opening party while Reiji encounters Aila at the nearby mall.

    Director:Unknown
    Writer:Unknown

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  11. Gundam Build Fighters Season 1 Episode 11 - Battle Royal
    9.5/10(9 votes)

    #11 - Battle Royal

    S1:E11

    Yuuki makes his World Championship debut as PPSE's Meijin Kawaguchi. Meanwhile, on the second day of the tournament, all of the participants must face each other in a battle royal until only one-third of the lineup remains.

    Director:Unknown
    Writer:Unknown

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  12. Gundam Build Fighters Season 1 Episode 12 - Discharge
    10.0/10(1 votes)

    #12 - Discharge

    S1:E12

    With an unmanned Mega Size Model Zaku sent in to eliminate the Star Build Strike Gundam in the middle of the battle royal, unlikely alliances are formed while Sei and Reiji must unleash Star Build Strike Gundam's trump card to survive.

    Director:Unknown
    Writer:Unknown

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  13. Gundam Build Fighters Season 1 Episode 13 - Battle Weapon
    10.0/10(1 votes)

    #13 - Battle Weapon

    S1:E13

    For day three of the tournament, containers with random weapons are placed in the battlefield for the Gunpla Fighters to use in their battle; each contestant is assigned a container number to use. Sei and Reiji are assigned to battle Luang Dallara, who already gave them trouble at the battle royal. Worsening the situation is Reiji's wrist injury from a street fight outside the arena grounds.

    Director:Unknown
    Writer:Unknown

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  14. Gundam Build Fighters Season 1 Episode 14 - Codename: C
    10.0/10(1 votes)

    #14 - Codename: C

    S1:E14

    Sei and Reiji remain undefeated by the sixth period of the tournament with two more to go, despite Reiji's wrist injury. However, another obstacle appears in front of them in the form of the Gunpla Fighter named "C".

    Director:Unknown
    Writer:Unknown

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  15. Gundam Build Fighters Season 1 Episode 15 - Fighter's Radiance
    10.0/10(1 votes)

    #15 - Fighter's Radiance

    S1:E15

    With their loss in the Gunpla race dropping them to 17th place, Sei and Reiji must leave no room for error in the eighth period of the tournament in order to make it to the finals. However, they have to go through Fellini in the process.

    Director:Unknown
    Writer:Unknown

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  16. Gundam Build Fighters Season 1 Episode 16 - Dad, We Meet Again?
    10.0/10(1 votes)

    #16 - Dad, We Meet Again?

    S1:E16

    As Rinko leaves home to join her son, Sei and Reiji's battle with Fellini ends in a draw, but they earn two points, which is enough to land them in the top 16 in the finals. Meanwhile, following a heated argument with Sei over rebuilding the Star Build Strike Gundam, Reiji goes out to buy his own Gunpla, only for him and Aila to receive a crash course in Gunpla building by a mysterious bearded man.

    Director:Unknown
    Writer:Unknown

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  17. Gundam Build Fighters Season 1 Episode 17 - Model of the Heart
    10.0/10(1 votes)

    #17 - Model of the Heart

    S1:E17

    On the first day of the tournament finals, Mao is scheduled to battle Sei and Reiji. But when he cannot think of a strategy to defeat the Star Build Strike Gundam, he returns to his mentor, Master Chinan, and asks him to teach him the master's ultimate technique.

    Director:Unknown
    Writer:Unknown

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  18. Gundam Build Fighters Season 1 Episode 18 - Bloodhounds
    10.0/10(1 votes)

    #18 - Bloodhounds

    S1:E18

    After shocking the Gunpla world by defeating Luang on the first round, the Renato Brothers and their GM Sniper K9 set their sights on Meijin Kawaguchi.

    Director:Unknown
    Writer:Unknown

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  19. Gundam Build Fighters Season 1 Episode 19 - Astray's Blade
    9.1/10(9 votes)

    #19 - Astray's Blade

    S1:E19

    Sei and Reiji must go through Nils in order to continue their quest for the championship. Desperate to prevent the duo from advancing, Baker offers to have PPSE sponsor Nils, but knowing very well not to trust her, he arranges for a secret meeting with Sei and Reiji to extract the secrets of Plavsky particles from them.

    Director:Unknown
    Writer:Unknown

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  20. Gundam Build Fighters Season 1 Episode 20 - Aila's Betrayal
    10.0/10(1 votes)

    #20 - Aila's Betrayal

    S1:E20

    Fellini faces Aila in the quarterfinals, much to Sei and Reiji's shock as they finally discover her real identity. Aila is pressured to win the championship due to the arrival of the Team Nemesis Chairman, who has promised the trophy to his grandson for his birthday.

    Director:Unknown
    Writer:Unknown

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  21. Gundam Build Fighters Season 1 Episode 21 - Amid the Glittering Particles
    9.3/10(9 votes)

    #21 - Amid the Glittering Particles

    S1:E21

    Following Aila's revelation as a Gunpla Fighter, an angry Reiji vows to defeat her in the tournament.

    Director:Unknown
    Writer:Unknown

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  22. Gundam Build Fighters Season 1 Episode 22 - Meijin vs. Meijin
    10.0/10(1 votes)

    #22 - Meijin vs. Meijin

    S1:E22

    Yuuki must prove himself worthy of the name "Meijin Kawaguchi the 3rd" when he battles Julian Ayers Mackenzie, a British Gunpla Fighter who was to have taken that title three years prior.

    Director:Unknown
    Writer:Unknown

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  23. Gundam Build Fighters Season 1 Episode 23 - Gunpla Eve
    8.6/10(9 votes)

    #23 - Gunpla Eve

    S1:E23

    A festival is held in Shizuoka one week before the final round of the tournament, where guests can participate in Free Battle rounds against the championship's competitors. Meanwhile, Nils and Caroline follow a truck that leads them to the source of Plavsky particles.

    Director:Unknown
    Writer:Unknown

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  24. Gundam Build Fighters Season 1 Episode 24 - Dark Matter
    9.6/10(14 votes)

    #24 - Dark Matter

    S1:E24

    In the final round of the tournament, Meijin Kawaguchi the 3rd unveils the true form of his Gundam Amazing Exia. However, he brings forth a disturbing aura in the arena reminiscent of his predecessor.

    Director:Unknown
    Writer:Unknown

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  25. Gundam Build Fighters Season 1 Episode 25 - Promise
    9.5/10(13 votes)

    #25 - Promise

    S1:E25

    Sei and Reiji's victory in the tournament causes Chairman Mashita to panic, with his Arista resonating all Plavsky particles in the PPSE Stadium to form a 1/144 scale replica of the Zeon space fortress A Baoa Qu over the facility. The Gunpla Fighters must band together to break into the fortress and destroy the Arista before it produces disastrous results.

    Director:Unknown
    Writer:Unknown

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Season 1 Ratings Summary

"Sei and Reiji" is the best rated episode of "Gundam Build Fighters" season 1. It scored 8.7/10 based on 16 votes. Directed by Unknown and written by Unknown, it aired on 10/7/2013. This episode is rated 0.7 points higher than the second-best, "The Crimson Comet".