It is the year 1999. The Machine Empire of Baranoia, led by Emperor Bacchus Wrath, has invaded Earth with the intention of wiping out all human life and bringing about machine rule. Chief Counselor Miura of the UAOH (United Airforce Overtech Hardware), in a desperate attempt to quell this invasion, has revived super energies born of the lost civilization of Pangaea. Enlisting an elite squad of the finest officers the UAOH has to offer, Miura has harnessed Tetrahedron Power, granting the team the power to transform into the Ohrangers… and save humanity from its darkest crisis yet!
Episode 1
When the Machine Empire Baranoia begins an assault on Earth, United Airforce commander Gorou Hoshino takes matters in his own hands to fight back against them and save his four new teammates as OhRed.
Episode 2
The four new Ohranger learn from Gorou and Commander Miura about the power they are now entrusted with as Baranoia sends down a giant to continue their rampage of Tokyo.
Episode 3
Gorou must protect a boy targeted by Prince Buldont for being associated with the means that lead to the discovery of Superpower in the modern age.
Episode 4
Acha infects a police officer with a parasite from a Machine Beast, mutating him into a "human Machine Beast" that threatens the populace, including his own son!
Episode 5
Yuuji tries to assist a pair of brothers in turmoil as Baranoia sends down a brotherly set of Machine Beasts to turn one against the other.
Episode 6
A genius Machine Beast manipulates an incident from Miura's past in hopes of using it to find out intelligence on the new machines being built for the Ohranger.
Episode 7
In order to save both Miura and the city from the combined assault of Bara Brain and Bara Separate, the Ohranger must complete their new secret weapon on their own without their commander's assistance.
Episode 8
In order to deal with the threat of Ohranger Robo, Bacchus Wrath brings in a powerful Machine Beast and upgrades Acha and Kocha to be able to create a greater challenge to the U.A.O.H. forces.
Episode 9
When a Machine Beast infects the male Ohranger with a deadly rusting malady, Juri decides to join with Baranoia in order to save herself, even against Momo's pleas.
Episode 10
Ohranger must try to stop a hacking Machine Beast trying to break into their systems and prevent them from using Ohranger Robo against it.
Episode 11
When Hysteria sends down a Machine Beast to make humanity fall in love with appliances, Shouhei must figure out how to stop it before they enact their true plan.
Episode 12
Gorou is placed in charge of a neighbor's baby just as a Machine Beast is unleashed to turn baby cries into weapons of destruction.
Episode 13
When Momo is stranded while trying to stop a Machine Beast trying to reawaken Mt. Fuji's volcano, she is rescued by a mysterious dog protecting the mountain.
Episode 14
The Ohranger become suspicious of Baranoia's involvement in the creation of a new line of helper robots that emerge to assist humanity.
Episode 15
Yuji encounters a Machine Beast created from the remnants of Baranoia's failures whose only desire is to destroy Bacchus Wrath!
Episode 16
The musical abilities of a Machine Beast accidentally brings a 23rd Century boy to the present, forcing Shouhei to protect him while trying to figure out how to send him back home.
Episode 17
The Ohranger pursue a mad scientist who steals Yuji's Power Brace, fearing he will turn over it's secrets to Baranoia.
Episode 18
The Ohranger try to figure out the mystery of the robot boy Shigeru, even as his "father", Genius Kuroda, joins with the Baranoia cause.
Episode 19
When Bacchus Wrath's newest Machine Beast easily overwhelms Ohranger Robo, Gorou discovers an earlier U.A.O.H. mecha that previously killed its former pilot!
Episode 20
Buldont develops a boxing Machine Beast to steal Shouhei's ultimate move in order to defeat Red Puncher, forcing Gorou to work to develop the means to stop his friend's stolen attack.
Episode 21
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Episode 22
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Episode 23
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Episode 24
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Episode 25
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Episode 26
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Episode 27
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Episode 28
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Episode 29
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Episode 30
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Episode 31
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Episode 32
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Episode 33
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Episode 34
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Episode 35
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Episode 36
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Episode 37
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Episode 38
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Episode 39
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Episode 40
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Episode 41
Buldont and Multiwa take their places as the new leaders of Baranoia, crushing Bomber the Great while forcing him to be used in the most humiliating way possible for Earth's destruction.
Episode 42
Dorin decides to release a forbidden ancient power in order to save the Ohranger when they become captured for Buldont's public execution, putting both herself and Riki at risk.
Episode 43
The Ohranger go undercover in order to lure out a Machine Beast hypnotizing people into returning to younger, more carefree days.
Episode 44
When Multiwa decides to use her beauty to lure the male Ohranger to help her, Momo decides to become Gunmazin's master in order to have him assist the team.
Episode 45
Kaiser Buldont uses a machine-controlling Machine Beast to begin a final all-out assault of Earth, forcing the Ohranger into the beginning of their ultimate showdown.
Episode 46
With Baranoia's destruction and the capture of their teammates wearing them down, the Ohranger try to figure how to deal with the invasion as their battle to save their world becomes burdened by another sacrifice.
Episode 47
After taking a detour to discover how to bring back their Super-Power, the Ohranger return to Earth 6 months later and completely conquered by Baranoia!
Episode 48
With their Super-Power restored, the Ohranger confront Buldont and Multiwa in order to save the Earth from Baranoia, though face one final task that could determine the future!
