S1 • E1
Monsters return to Earth, threatening to usher in a new era of space invaders.
S1 • E2
Mebius, as Mirai, joins the CREW GUYS and works together with Ryu to recruit new team members.
S1 • E3
The Volcano Monstrous Bird Birdon that once defeated Ultraman Taro appears. Mebius also succumbs to Birdon's poison.
S1 • E4
The use of Maquette Monsters have been re-approved. Maquette Monsters created from data collected from past monsters, can fight alongside humans as allies.
S1 • E5
George has a confrontation with a CREW GUYS member and says he want out of GUYS.
S1 • E6
The monster Sadora was consumed by a more vicious organism. Just then, something happens on the seabed. Ryu and Marina investigates.
S1 • E7
The C-Pin 929 emergency rations Alien Fanton dropped on Earth came into contact with the atmosphere due to High-Dimensional Predator Bogal and begins to grow infinitely.
S1 • E8
It is discovered that the vicious organism Bogal, who preys on monsters, is weak to electricity. GUYS upgrades Miclas to Eleki-Miclas.
S1 • E9
Mebius fends off Bogal. GUYS determine that Bogal is like a mobile bomb with a tremendous amount of energy stored inside.
S1 • E10
The operation to exterminate Bogal would put the lives of Mebius and others in danger. GUYS independently run a mission to save Mebius and Tsurugi.
S1 • E11
Just as Tsurugi is about to die, Mother of Ultra appears. Meanwhile back on Earth, Dinozaur who the GUYS once defeated has been resurrected as the twin-headed Dinozaur Reverse.
S1 • E12
Adjutant Toriyama loses a dangerous research item that was scheduled for disposal. The Meteor named Grote's Cell can enter hollow objects and move them like they were alive.
S1 • E13
Marina heads to the mountain to ride with Kadokura, the coach of her former racing team.
S1 • E14
Teppei's mother happens to see him on television and makes quite the commotion.
S1 • E15
Gun Phoenix breaks down as it was deployed against Chief Maintenance Araiso's recommendation. Ryu deploys the new state-of-the-art craft Gun Booster.
S1 • E16
A duel between aliens takes place on Oshima's Comet. The intense fighting causes the comet to enter a trajectory headed for Earth, and GUYS prepare to intercept.
S1 • E17
GUYS struggles with Monster Salamandra who regenerates no matter how many times it's defeated. Ultraman Hikari appears, but is fatigued from countless battles.
S1 • E18
Now that Ultraman Hikari has returned to the Land of Light, Mebius is the only Ultraman left on Earth. Mirai struggles with the heavy responsibility of being an Ultraman.
S1 • E19
When a space monster appears, it gives GUYS three targets. Only it was impervious to traditional attack tactics. Everyone except George know how.
S1 • E20
GUYS begin the Hamelin Project experiment, which uses special sound waves to guide monsters. However, the effects of these sound waves cause two large monsters to emerge.
S1 • E21
A distress signal from the spacecraft Arandas is received from the Ultra Zone in space. Mirai insists GUYS go investigate, believing there might still be survivors from the lost spaceship.
S1 • E22
Mirai modeled his human body after Hiroto, the son of the Arandas' captain. Upon meeting Mirai, the spitting image of his son, Captain Ban recalls the tragic day.
S1 • E23
The police ask Marina to help investigate a case of mass disappearances that occur with ocean sounds. Marina works with Detective Tori who she finds strangely familiar.
S1 • E24
During the GUYS Citizen Thanksgiving Day, Mirai receives a challenge from the powerful enemy Yapool who once fought Ultraman Ace.
S1 • E25
The influential other-dimensional physicist Professor Fujisawa returns to Japan. Yapool uses Terrible-Monster Doragory to secretly take control of Professor Fujisawa.
S1 • E26
Just when GUYS was going to deploy a weapon to fight against Super Beast from coming through Yapool's inter-dimensional gate, Captain Sakomizu is injured in an attack.
S1 • E27
An experiment is conducted to prepare for Yapool's return. The experiment involves selecting a new Maquette monster and strengthening it.
S1 • E28
One day when the base is filled with rumors of the emergence of a red ghost, Konomi reunites with a young man named Suzaki who gave her courage when she was a child.
S1 • E29
As danger closes in on Earth, young Mebius receives orders to return to the Land of Light. Despite his anguish, Mirai says goodbye to each of his friends.
S1 • E30
Ultraman Taro comes to Earth to fight the robot Imperiser. Ultraman Mebius finds his strength to battle on.
S1 • E31
The GUYS SPACY defense line is broken, and UFOs appear all around the world. It is discovered that this new race of flying saucer aliens have orders to exterminate Mebius.
S1 • E32
An Alien Mates appears on Earth and says he comes in peace, and wishes to establish friendly relations with humankind.
S1 • E33
Teppei falls head over heels for a girl named Misa, but she is possessed by Femigon. Femigon is said to create panic and engulf areas of panic in flames.
S1 • E34
Mirai trains hard to work on a new skill to defeat Alien Reflect.
S1 • E35
Hunter Knight Tsurugi suddenly appears and destroys the city. People begin to think that the blue Ultraman is an enemy.
S1 • E36
A girl named Kako who claimed to be Mirai's younger sister turns out to be a wandering Alien Psychokino, who uses psychic powers to cause mischief.
S1 • E37
Today is the Advent Festival for Father of Ultra. A day to commemorate the many miracles Father of Ultra performed on Earth.
S1 • E38
Arigera with its incredible flight abilities just invaded Earth. GUYS and Mebius struggle against this foe, but are saved by Isana, an elite member of GUYS Ocean.
S1 • E39
Sayuri Hinode, a cafeteria worker on the GUYS Phoenix Nest base, dies in a traffic accident. Sayuri had unfinished business with her children and is resurrected by "Alien Serpent."
S1 • E40
Mirai meets a lonely high school girl named Naoko.
S1 • E41
Minus Energy causing the appearance of monsters are happening at the same time as closing of a middle school. The former students have a reunion to see their inspiration Ultraman 80 again.
S1 • E42
Red King appears on Tatara Island. After being defeated by Mebius, it comes back in the form of Gomora.
S1 • E43
The source of a space-time wave that summons monsters is found. Mirai can't be reached, so GUYS leave him behind and set off in the Phoenix Nest.
S1 • E44
GUYS is trapped on the moon, while Ultraman Mebius is forced to face-off in Yapool's pocket dimension. Ultraman Ace comes to their aid.
S1 • E45
Deathrem holds the Phoenix Nest and GUYS hostage to force Ultraman Mebius into a confrontation. Save his friends or defend the people of Earth. Ultraman Jack helps him make the right choice.
S1 • E46
The Immortal Grozam has frozen Ultraman Mebius. It is up to Marina, Konomi and Ultraseven to save the day.
S1 • E47
The fourth and final Heavenly King Mephilas forces Mirai into a mind game. This time he turns GUYS against him. They see Ultraman Mebius as the enemy.
S1 • E48
Alien Empera sends Imperisers to major Earth cities preparing to hit Ultraman and the humans he protects.
S1 • E49
Ultraman Mebius and his allies failed to beat Alien Empera.
S1 • E50
Mirai and the rest of GUYS work together to deal a blow to Alien Empera.
Mirai Hibino
Marina Kazama
George Ikaruga
Konomi Amagai
Teppei Kuze
Shingo Sakomizu
Yuki Misaki
Ryu Aihara
Aide Toriyama
Secretary Aide Maru