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)

A laugh-out-loud hilarious adventure from the studio behind Gatchaman 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)

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)

A mysterious gem called the Skull Stone is said to be able to reveal the location of the largest vein of gold in the world. This legend has entranced many people who wanted to get their hands on fame, power and wealth, including the trio of villains in this show: the Dorombo Gang. However, their hunt for the Skull Stone is not as easy as they imagined, mainly due to the faulty information they receive from their leader, and most of all, by a justical duo of pursuers called the Yatterman! (Source: Wikipedia)