Seijuu Sentai Gingaman vs Megaranger (1999)

Japan is thrown into a panic after several ships are sunk near Odo Island. An expedition to the island led by Dr. Yemani soon discover something far more devastating than imagined in the form of a 50 meter tall monster whom the natives call Gojira. Now the monster begins a rampage that threatens to destroy not only Japan, but the rest of the world as well.

Two fishing scout pilots make a horrifying discovery when they encounter a second Godzilla alongside a new monster named Anguirus. Without the weapon that killed the original, authorities attempt to lure Godzilla away from the mainland. But Anguirus soon arrives and the two monsters make their way towards Osaka as Japan braces for tragedy.

FBI agent Max Reed witnesses Dr. Tetsu Segawa - a researcher for the mysterious Chronos Corporation - being murdered. Dr. Segawa had stolen an alien device known as "The Guyver" from Chronos. College student Sean Barker, whose girlfriend's father was Dr. Segawa, finds the Guyver's hiding spot while watching the forensic team investigating the crime scene.

Six incredible teens out-maneuver and defeat evil everywhere as the Mighty Morphin Power Rangers, but this time the Power Rangers may have met their match when they face off with Ivan Ooze, the most sinister monster the galaxy has ever seen.

After a fishing boat is attacked, the sole surviving crew member realizes it is none other than a resurrected Godzilla. However, efforts to bring the story to light are suppressed by the Japanese government amid growing political tensions between the United States and the Soviet Union, who are both willing to bomb Japan to stop the monster.

The Machine Empire defeats the Power Rangers in battle, destroying the Megazord. It is revealed that Earth's governments then negotiate a truce with the Machine Empire and the Power Rangers are disbanded. Years later, Rocky, the second Red Ranger has defected to the Machine Empire, is critical of Zordon's use of Power Rangers as child soldiers, and now sports a prosthetic leg. He interrogates a restrained Kimberly, the former Pink Ranger, about the location of Tommy Oliver, the former Green Ranger. He details the fates of the other Rangers in flashback.

Saban's Power Rangers follows five ordinary teens who must become something extraordinary when they learn that their small town of Angel Grove — and the world — is on the verge of being obliterated by an alien threat. Chosen by destiny, our heroes quickly discover they are the only ones who can save the planet. But to do so, they will have to overcome their real-life issues and before it’s too late, band together as the Power Rangers.

The comedic modern-day quintet takes on their 2003 counterparts when villains from each of their worlds join forces to pit the two Titan teams against each other. They'll need to set aside their differences and work together to combat Trigon, Hexagon, Santa Claus (that's right, Santa!) and time itself in order to save the multiverse.

Manga artist Gengo Odaka lands a job with the World Children's Land amusement park only to become suspicious of the organization when a garbled message is discovered on tapes. As Gengo and his team investigate, Godzilla and Anguirus quickly decipher the message and begin their own plan of action.

Humanity final rids themselves of Godzilla, in-prisoning him in an icy tomb at the South Pole. All is peaceful until various monsters emerge to lay waste to Earth's cities. Overwhelmed, humanity is seemingly saved by a race of benevolent aliens known as Xiliens. But not all is what it seems with these bizarre visitors. If humanity wishes to survive they must reluctantly resurrect their most hated enemy, Godzilla.

Reporter Goro Maki stumbles upon scientists conducting weather experiments on Sollgel Island in the South Seas. He discovers the island is inhabited by giant mantis and a woman named Saeko who's been cast away since the death of her father. The pair soon find a helpless infant monster that Godzilla must adopt and learn to raise as one of his own.

Godzilla has become a distant memory for Japan when the destruction of a US submarine raises alarms for Admiral Tachibana. His estranged daughter Yuri investigates the legend of the guardian monsters, who must rise to protect Japan against the vengeful spirits within Godzilla that seek to destroy both the nation and its people for the suffering they inflicted in the Pacific conflict.

The U.N.G.C.C. (United Nations Godzilla Countermeasure Center) recovers the remains of Mecha-King Ghidorah and construct Mechagodzilla as a countermeasure against Godzilla. Meanwhile, a giant egg is discovered along with a new monster called Rodan. The egg is soon found to be none other than an infant Godzillasaurus.

High school student Kyosuke Shikijo is the most talented member of the school's martial arts of the fist club. His late father was detective and Kyosuke share his father's strong sense of justice. Kyosuke also has a secret. Kyosuke likes to wear female underwear and transforms himself into the alter ego "Hentai Kamen," wearing female underwear and gaining superhuman powers. This unusual interest also comes from his parents, with his father a masochist and his mother a sadist. By chance, Kyosuke gets the underwear of female high school student Aiko Himeno. With her underwear, he gains various pervert techniques and attempts to protect Aiko from a dirty and heinous teacher.

Gamera escapes from his rocket enclosure and makes his way back to Earth as a giant opal from New Guinea is brought back to Japan. The opal is discovered to have been an egg that births a new monster called Barugon. The creature attacks the city of Osaka by emitting a destructive rainbow ray from his back, along with a freezing spray capable of incapacitating Gamera.

An Okinawan prophecy that foretells the destruction of the Earth is seeming fulfilled when Godzilla emerges to return to his destructive roots. But not all is what it seems after Godzilla breaks his ally Anguirus's jaw. Matters are further complicated when a second Godzilla emerges, revealing the doppelgänger as a mechanical weapon.

The advertising director of Pacific Pharmaceuticals, frustrated with the low ratings of their sponsored TV program, seeks a more sensationalist approach. He orders his staff to Faro Island to capture King Kong for exploitation. As Godzilla re-emerges, a media frenzy generates with Pacific looking to capitalize off of the ultimate battle.

Searching for his brother, Ryota stows away on a boat belonging to a criminal alongside two other teenagers. The group shipwrecks on Letchi island and discover the Infant Island natives have been enslaved by a terrorist organization controlling a crustacean monster. Finding a sleeping Godzilla, they decide to awaken him to defeat the terrorists and liberate the natives.

The Samurai Rangers team up with the mysterious RPM Ranger Red to fight off Master Xandred's Mooger army and a robotic supervillain from the RPM Ranger's dimension. But when both Red Rangers get struck with hypnobolts, they turn against one another.

A meteor lands in Kurobe Valley as detective Shindo is assigned to protect Princess Salno from assassination. She emerges under the guise of a Venusian prophetess and catches the attention of journalist Naoko and Mothra's fairies by predicting a powerful space monster's arrival. The infant Mothra must convince Godzilla and Rodan to set aside their hatred of humanity or face the monster alone.