Dr. Kieta, the inventor of a time-travel machine, is lost on a test run of his machine to the prehistoric past. When the time-space craft returns to the present, his young assistants are surprised to find only a parrot in the cockpit. In their hurry to find the missing scientist before it is too late, the youngsters set out on a time-space hunt without any clear destination. 
(Source: Official Site)

The anime centres on Tokio, a junior high student living in the present time who is suddenly made a member of the 24th century's Space-Time Administration Bureau. Immediately, he learns that the history he has learned in the textbooks is wrong, and there is a more interesting version of history where the peerless beauty Cleopatra is actually the comic duo of Cleo and Patra, Momotarou is more of an ogre than actual ogres. Together with his teammate Karen, they use the 24 Bokan Mecha to search for the True History.
 
(Source: Anime News Network)

A laugh-out-loud hilarious adventure from the studio behind Battle of the Planets and Speed Racer! 
Who has what it takes to be the baddest of the bad? It's evil versus evil as teams of bad guys compete to be the meanest villains ever! Watch and laugh as the Dorombo Gang and their Kitchen Robot take on the worst of the worst in a wacky race to be the greatest villains in anime history! The only force that stands in their way are the superheroes of anime. Will the Gatchaman ninja arrive in time to save the day? 
(Source: AniDB)

The story begins in the year of 20XX. Oshaka School in Kamakuland is a prestige school of the world where only those who are pure and clearheaded descendants of Priest Sanzo's clan may be admitted. As for the familiar villain trio, they are in firm belief that they are genuine descendants of Priest Sanzo's clan although actually they are of uncertain lineage. They study hard to enter the school in spite of their repeated failure. One day three intelligent children are called in by the principal and asked by Shakyamuni dwelling in his body to find missing puzzle copperplates scattered all over the world and complete the puzzle board to heighten honor of Oshaka School. The conversation, however, is overheard by the villain trio and they decide to forestall those selected youngsters. Then they happen to meet with a brilliant boy named koochan who appears handy and so they take him with them and attempt to take away puzzle copperplates from a goblin. At the same time they try to win the goblin over to their side and attack our heroes together. Being aware of the evil scheme, Koochan transforms himself into Itadakiman and fights bravely to drive the wicked trio away. 
(Source: Official site)

Set in the near future, the world is shaken by a couple of young thieves named Kiramekiman, who issue warnings before they go into action. Once they set their sights on a target, they never fail to steal it. Meanwhile, a detective trio is in pursuit of the Kiramekiman group but are unable to catch them. Secretly, the goal of Kiramekiman is actually noble, since they are only stealing certain objects in order to maintain peace in the future. (Source: Wikipedia)

Fragments of a mysterious stone known as the Skull Stone are scattered across the globe. Once all four pieces are assembled, the location to the world's largest deposit of gold will be revealed. The villainous Doronbo Gang are searching for the Skull Stone. Standing in their way are Gan and Ai who become the masked heroes Yatterman-1 and Yatterman-2. The two are aided in their adventures by a large mechanical dog Yatterwan. 
(Source: Wikipedia)

Throughout history, mankind's quest for power has influenced the world all the way into the future. A millennium later in the Kingdom of Calendar, two royal houses became locked in combat to determine who will become rightful heir to the throne. Each successor from the two houses sends must travel through the aeons of time and find the Cosmo Peacock. Whoever brings it back will become the rightful ruler. (Source: Time Bokan Fandom)

Dr Monja is a scientist who is curious about the nature of the legendary Elixir of Life which grants the drink eternal lifetimes and forever youth. He built a device called the "Time Tunnel" in order to let a team of youngsters to start a quest down the timeline and various spaces to find an exact answer. A trio of villains, however, is also seemingly after the exact same thing. 
(Source: Wikipedia)

Gyakuten! Ippatsuman is the sixth in the Time Bokan series. In the 1990s-era Osteandel City is the headquarters of Time Lease, a business that leases almost everything you could ask for including powerful robots. They are proud of themselves for being number one in the international ranking of billionaires, for the past ten consecutive years. Meanwhile there is another lease company in the same city called Skull Lease where the notorious villain trio work as top executives. Their ostensible object is to disgrace the credit of Time Lease and replace them as the leading enterprise. In fact, however, they have a scheme to secure a footing for world conquest. One day a transport robot of Time Lease is assaulted by the villain trio and it is time for Ippatsuman to get on the move to fight for justice.
 
(Source: Anime News Network)

Burning with ambitions to become the most beautiful woman, the most renowned scientist, and the greatest hero the world has ever known, three villains, Atasha, Sekobitchi and Duwarusuki, unite. The trio are Time Patrollers, the keepers and protectors of the annals of history. But, this is only a cover for the trio, as the villains are league with a nefarious leader, who is trying to alter the course of history to suit his desires, and, under his instructions, the trio travel in time with the aim of tampering with recorded history. Only Hikaru and Nana, disguised as the Otasukemen, stand between the villains and their goals. 
(Source: Wikipedia)

The excessive adventure begins when a mysterious flying life-form, UBO came to "Tatsunoko Anime World Island" where all the Tatsunoko animation characters live. TV special animation program featuring all-star Tatsunoko characters. 
 
(Source: Official Website)

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