Dad, We Meet Again?
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.
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More from this season
S1 E1
Sei and Reiji
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.
S1 E2
The Crimson Comet
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.
S1 E3
Full Package
Sei completes an upgrade to the Build Strike Gundam while Mr. Ral gives Reiji an orientation on Gunpla Battle.
S1 E4
Gunpla Idol Kirara
Sei falls in love with a mysterious girl who is into Gunpla, unaware of her true intentions in Gunpla Battle.