8.0/108 votes#1 - One Plus One
Season 1 Episode 1 - Aired 7/5/2008
While pursuing alien criminals named Bacillus and Geega, Birdy and Tute infiltrate Earth under the cover of a rising Japanese idol and her manager. During one night on a routine mission to apprehend the said criminal, a civilian named Tsutomu Senkawa is used as a human shield. When Birdy realized that she killed him in an accident, she decided that the only way to save his life was to fuse her body with his in order to prevent him from dying. Tsutomu thought that it was all a dream until he found that he was unable to control his body one night after he was supposedly dead.
Director: Kazuki Akane
Writer: Hiroshi Onogi
NaN/100 votes#2 - The Partnered One
Season 1 Episode 2 - Aired 7/12/2008
Birdy and Tsutomu try to cope with existing by sharing one body, but leading two separate lives. Birdy's commanding officer, Magius, informs Tsutomu that his original body's being restored and it will be some time before he can live outside of Birdy's body. Bacillus tries to eliminate Birdy by luring her into a movie shooting as cover. Keisuke Muroto tries to take photos of Bacillus and Birdy, but falls unconscious when he was knocked out by debris. A wounded Bacillus took over Geegar's Earth body as his first one was damaged from deterioration and from fighting Birdy.
Director: Naotaka Hayashi
Writer: Seishi Minakami
NaN/100 votes#3 - View of Life
Season 1 Episode 3 - Aired 7/19/2008
Bacillus tries to locate and eliminate Birdy, while she, Tsutomu and Tute argue over the constant separate lives that they were trying to hide from the public. Tute gets wounded by Bacillus before he gave Birdy an Elemental Destructor capsule bomb to kill Bacillus and eliminate the threat of him killing an Earth-born civilian in Japan. Birdy mourns Tute's death when he can't heal his wounds from Bacillus' attack.
Director: Kazuomi Koga
Writer: Miya Asakawa
NaN/100 votes#4 - A Stranger from Earth
Season 1 Episode 4 - Aired 7/26/2008
Birdy returns to her home planet Altaria to attend a trial of one of the smugglers that she had arrested. She and Tsutomu were questioned by a deity named Nejula Gate Altaria regarding Ryunka. Nejula reveals to Tsutomu that Ryunka is used as a nuclear weapon, killing off the inhabitants of a planet named Bilugema. While Birdy visits her hometown, a terrorist bombing destroys a convoy of vehicles.
Director: Yuichiro Tsutsumi
Writer: Hiroshi Onogi
NaN/100 votes#5 - Another World
Season 1 Episode 5 - Aired 8/2/2008
Birdy fights with King Zero as Nejula corners Gelabu--whom ultimately commits suicide for his "pride" or "honor." Thanks to Birdy's way with words and the simple fact that King Zero's girl can't stand to see lots of people die, she detonates the falling satellite which was targeting the Union. Kashugeza turns out to be an undercover agent under Skeletsu's direction. Birdy is quite frustrated with the fact that Skeletsu tolerated the deaths of her fellow, innocent, Altarians in the terrorist attack in order to get a lead on King Zero.
Director: Nobuharu Kamanaka
Writer: Yutaka Izubuchi
NaN/100 votes#6 - Both of Us
Season 1 Episode 6 - Aired 8/9/2008
Sayaka Nakasugi invites her classmates to her mansion for her welcome back party. Birdy investigates the site where she had killed Tsutomu in order to locate a marionette of non-Earth origin. Sayaka's maid Yoshio finds strange things have happened to her, which started to worry Sayaka's grandfather, Katsutoshi. Meanwhile, Nakasugi disappears from the Nakasugi Mansion after encountering a parrot, which was an alien being in disguise.
Director: Takuo Suzuki
Writer: Seishi Minakami
NaN/100 votes#7 - Night Walker
Season 1 Episode 7 - Aired 8/16/2008
A string of murders with dead female victims with short hair and glasses leads Birdy to investigate them with Tsutomu. The culprit is revealed to be a rogue combat marionette, which is killing the victims as it thinks of them as the mother, the main programmer when the marionette was placed under her care. Birdy attempts to retrieve it, but is attacked by supposedly a Federation-based person with a guardian robot that attacks her to keep her away from acquiring the disabled robot.
Director: Kazuomi Koga, Yoshimichi Hirai
Writer: Miya Asakawa
NaN/100 votes#8 - Ghost Village
Season 1 Episode 8 - Aired 8/23/2008
Nakasugi invites her friends including Tsutomu to her family village in the Sawajiri Village in Nagano. But on one evening, Nakasugi succumbs to the Riunka implanted on her by an unknown force who returned the renegade marionette back to her owners. A small number of Riunka explosions rattled the village, forcing local police and the JGSDF to mobilize.
Director: Naotaka Hayashi
Writer: Fumihiko Takayama
NaN/100 votes#9 - The Champion of Justice
Season 1 Episode 9 - Aired 8/30/2008
An investigation team under Shyamalan's orders investigates the ruins of Sawajiri Village, even killing a policeman when Murota and Hayamiya decide to investigate. Birdy saves them from some of the armed men and fights the reconstructed marionette before she gets injured during an encounter with Gomez after defeating the marionette again.
Director: Nobuharu Kamanaka
Writer: Hiroshi Onogi
NaN/100 votes#10 - You're the One
Season 1 Episode 10 - Aired 9/6/2008
Tsutomu and Nakasugi go on a date with Tsutomu received a kiss from Nakasugi herself. Meanwhile, Shyamalan meets with Sayaka's grandfather and kills him during the meeting. When Yoshie discovers his body, she thinks that Sayaka killed him, which activates the Ryunka in her body and evaporated her.
Director: Yuichiro Tsutsumi
Writer: Seishi Minakami
NaN/100 votes#11 - Bye Bye Buddy
Season 1 Episode 11 - Aired 9/13/2008
It has been confirmed: Nakasugi is the host for Ryunka. But Tsutomu wants to protect her, no matter what and so he takes control of Birdy's body when she tried to get close to Ryunka. Nejula knocks them out before their minds fuse completely. When they wake up again, Tsutomu has his own body back and needs glasses again. From now on, Birdy and Tsutomu go separate ways. When Birdy and Nejula arrive at Nakasugi's villa, she is already gone because she went to Tsutomo's place. To protect her from being pursued by her greedy relatives, Tsutomu leaves her in Shymalan's care. After that he discovers Shymalan's true intentions when Nejula confronts him...
Director: Takashi Kawabata
Writer: Miya Asakawa
NaN/100 votes#12 - Doomsday
Season 1 Episode 12 - Aired 9/20/2008
Shymalan releases a recorded TV announcement, saying that he intends to wreck genocide on Japan to weed out the weak. The government, though slow, has begun to take steps to contain the Ryunka that is beginning to spread throughout the Greater Tokyo Area. Tsutomu, though advised not to go out of his house, decides to do so and save Sayaka. Nejula suggests that a faction of the Federation Police may have not decided to quickly respond to see the power of Ryunka. Muroto decides to help Tsutomu after he finds out that the ship is the Lost Bird, where Sayaka is held. Shymalan is killed when the Ryunka inside of Sayaka is activated, with a segment of the Japanese public. Birdy, meanwhile, is moving in on her own to stop the Lost Bird from moving any further.
Director: Kazuomi Koga
Writer: Fumihiko Takayama
NaN/100 votes#13 - Stand by Me
Season 1 Episode 13 - Aired 9/27/2008
Birdy and Tsutomu head to the Lost Bird to figure out a way to purge the Ryunka out of Sayaka's body. The two were able to do so, at the cost of Tsutomu's own body when he sacrificed it to allow Birdy to kill him again and purge the Ryunka parasite out of his body with Nejula in charge of containing it. The Japanese government had covered up the events as the JGSDF had mobilized in Roppongi. Due to the events, Sayaka loses some of her memories including her encounters with Tsutomu. Birdy once again merges with Tsutomu until a new body can be readied. Meanwhile, Gomez and his boss Revi had a conversation about whether Birdy is a threat, with Gomez telling Revi to take some precautions against her.
Director: N/A
Writer: Hiroshi Onogi
The Best Episodes of Birdy the Mighty: Decode Season 1
Every episode of Birdy the Mighty: Decode Season 1 ranked from best to worst. Discover the Best Episodes of Birdy the Mighty: Decode Season 1!
While pursuing fugitives the Space Federation police officer Birdy Cephon Altera finds herself on Earth.
Genres:AnimationAction & AdventureSci-Fi & Fantasy
Season 1 Ratings Summary
"One Plus One" is the best rated episode of "Birdy the Mighty: Decode" season 1. It scored 8/10 based on 8 votes. Directed by Kazuki Akane and written by Hiroshi Onogi, it aired on 7/5/2008. This episode is rated NaN points higher than the second-best, "The Partnered One".