Cardfight!! Vanguard - Legion Mate
The fourth season of Cardfight!! Vanguard, titled Cardfight!! Vanguard: Legion Mate (Japanese: カードファイト!! ヴァンガード レギオンメイト編, Hepburn: Kādofaito!! Vangādo Region Meito Hen, lit. Legion Mate Chapter), aired on Japanese TV networks from March 9, 2014 to October 19, 2014, for a total of 33 episodes.
Cardfight!! Vanguard: Season 4 - 33 Episode s
4x1 - Missing Vanguard
March 9, 2014
After dreaming about meeting Blaster Blade, Kai rushes off to cardfight with Aichi. However, he's in for a big surprise...
4x2 - Legion
March 16, 2014
Even Misaki who has better memory retention lost the memory of Aichi. Kai and Misaki enter into a cardfight, and Misaki gets a glimpse of her first cardfight but her opponent is covered by a shadow. She is wondering why her usually vivid memory is so blurry.
4x3 - Aichi's Shadow
March 23, 2014
At the secret moon base, the Quatre Knights send a butler called Morres Pennyworth to break Aichi's friends. Shingo lost his memory of Cardfight Club started by Aichi. In front of Naoki confronting Shingo about it, a mysterious butler who throws out a hint of Aichi's existence appears.
4x4 - Seek the Mate
March 30, 2014
Kai continues to seek the existence of Aichi. To tell Kai the warning told by a mysterious butler, when Naoki and Misaki arrives at Hitsue high school, Kai is facing Miwa.
4x5 - Naoki's Fist
April 6, 2014
Kamui, who is on Team Handsome with Gouki spending his free time fighting. Although he has busy days, he has an empty feeling for some reason. Naoki fights Kamui to help him remember Aichi.
4x6 - Blue Flame Gaillard
April 13, 2014
Toshiki Kai visits Card Shop PSY where Aichi has been before to find a clue about Aichi, where he encounters Olivier Gaillard the first Quatre Knight who challenges him to a fight!
4x7 - Steel Neve
April 20, 2014
When Naoki and Misaki are walking in the park, they meet a big man surrounded by many cats, and one of them is sub-manager. The man recognizes Naoki and Misaki, and then gives them his name - Philip Neve. And he cautions against them not to seek Sendou Aichi anymore.
4x8 - The Leader Kai
April 27, 2014
Kai knew his mates also are in danger to seek Aichi. The next day, Kai said, "I’ll seek Aichi alone from now on." to Misaki, Kamui and others, then leaves. But Kamui stands up against Kai who tries to go alone.
4x9 - Meet Great Daikaiser!
May 4, 2014
Misaki and Kamui heard the leader of "Team Caesar", "Koutei". Kenji is coming back temporarily to Japan, so they go to the airport. Misaki and Kamui arrived at the airport and meet a young girl named Rati who is looking for Serra. In the process, Rati gets stuck in a trash can. Kamui and Misaki help her out, only to find that she is too interested in the doughnut store to pay any attention to them.
4x10 - Illusionary Rati
May 11, 2014
Having encountered the illusive Rati at the airport, Misaki challenges her to a Cardfight. However, Rati reveals the true power hiding behind her innocent smile with the Shadow Paladin clan...
4x11 - Frosty Ice Serra
May 18, 2014
Raul Serra has the ability as the South American Champion of Vanguard. Serra launches attacks to Kamui with a cold smile that makes him feel icy.
4x12 - Ren's Promise
May 25, 2014
In order to find out more about Aichi, Kai visits Ren once again. Upon arrival, the two start a fight in order to understand each other's feelings.
4x13 - The Place Where Aichi Returns
June 1, 2014
Kai and the others arrive at the place indicated by Ren, see a strange-shaped megalithic site. When they step closer to it, the light floods in from the megalithic site, and Olivier Gaillard appears?!
4x14 - The Announced Truth
June 8, 2014
The battle between Naoki and Gaillard has ended. Naoki, who lost, faced his judgment. Then, Kai challenges Gaillard but Kourin appears and challenges Kai to a cardfight.
4x15 - Island Awaiting the Wind
June 15, 2014
Kai and the others visit Leon to undergo special training in order to strengthen themselves before they can face Quatre Knights again.
4x16 - Kai's Will
June 22, 2014
Kai and others visit Leon’s home “Island of Souryu”. While Naoki and Kamui are training hard with Leon, Kai and Misaki are still stuck in the shocks about Aichi and Kourin.
4x17 - Gateway to the Sanctuary
June 29, 2014
Naoki Ishida sees Morris Pennyworth, a butler of the Quatre Knights, who Naoki fought off before. Naoki spies on him and finds the door that leads to where the Quatre Knights and Aichi are. Upon arriving, he and the others encounter Raul Serra. Naoki challenges Serra and the fight begins.
4x18 - Manly Big Bang
July 6, 2014
The fight between Naoki Ishida and Raul Serra who is one of the Quatre Knights continues.
4x19 - Will of Steel
July 13, 2014
Neve of the Quatre Knights blocks the path. Miwa finds himself overwhelmed by Neve's power. But in Neve's hidden past lies...
4x20 - What Doesn't Change
July 20, 2014
Trying to avoid her previous loss, Misaki once again challenges Rati. However, in addition to winning, Misaki also aims to teach Rati the meaning of "friendship". Will Misaki's wish be granted?
4x21 - The Oath of the Blue Flames
July 27, 2014
Kamui challenges Gaillard, who is protecting Aichi's seal. Kamui, who turns his friendship with Aichi into his own power, launches a fierce assault on Gaillard, who finds himself fazed. The bonds between mates, or Gaillard's loyalty; who will win?
4x22 - The Flames of Perdition
August 3, 2014
Gaillard, who had pledged his absolute loyalty to Aichi after saving many lives including Gaillard's friends, reveals the reason why he became one of Aichi's faithful Quatre Knights.
4x23 - Interrupted Sleep
August 10, 2014
Based on their own beliefs, Kai, his friends and the Quatre Knights had been engaged in a fierce battle with each other. Only 2 of the seals are left, but out of nowhere Raul Serra returns to lift Aichi's seal.
4x24 - Aichi Awakens
August 17, 2014
Link Joker has control over Aichi. Serra's intentions are revealed and he manipulates his fellow Quatre Knight Neve to fight Aichi. To undo the spell on Aichi, a fierce fight between Neve and Aichi happened.
4x25 - Cold Ambition
August 24, 2014
Raul Serra, who betrayed Aichi, approaches Rati Curti in order to break the final seal on Link Joker. In order to stop Raul Serra's ambition and protect both Aichi and the Planet Cray, she challenges him to a fight!!
4x26 - Return of Omega
August 31, 2014
Raul Serra is a man with a burning obsession to make himself the strongest he can be. And then, in order to make his ambition come true, Serra proceeds to challenge Aichi.
4x27 - Determination of the Bluish Flames
September 7, 2014
Raul Serra has obtained the overwhelming power of Link Joker, and it proved to be too tough for Olivier Gaillard. But, despite how desperate things are, a blue flame ignites inside Gaillard's heart and shines on the darkness of despair.
4x28 - Our Place
September 14, 2014
Kourin stands in the way of Kai and his mates on their way towards Aichi. Naoki, who sees this, asks Kai to let him fight her on behalf of the bonds they shared as club members.
4x29 - The Obstinacy of the Flames
September 21, 2014
Kai is trying to rescue Aichi, and Gaillard is trying to protect Aichi. While both of them have different beliefs, the two of them share a connected fate.
4x30 - Sword of Annihilation
September 28, 2014
The decisive battle between Aichi and Kai has started. In the middle of the fierce fight, Aichi showed Kai his new completely changed Blaster Blade, as proof of the bonds they currently share.
4x31 - Sword of Courage
October 5, 2014
Aichi's Blaster and Kai's Dragonic Overlord face off against each other in the Sanctuary. However, Kai finds himself forced into a corner by the overwhelming strength that Aichi possesses.
4x32 - A Season for Journeys
October 12, 2014
Time has passed since the battle on the Sanctuary and the graduation ceremony for Kai, Misaki and Miwa is fast approaching. Aichi finds himself working tirelessly to complete the farewell script for the ceremony, but Kai isn't ready to see him yet.
4x33 - Vanguards
October 19, 2014
After the graduation ceremony is over, Aichi and his friends participate in a tournament held at Card Capital. There, Aichi found a lot of his friends and rivals have gathered.