Top 10 Mecha Anime of 2001
1. Vandread: The Second Stage
Though Hibiki and crew defeated a super-huge battleship of the earth in the last of the first stage, they noticed five battleships further aiming at Mejeiru and Tarahk. And, crew of NIRVANA learnt Tarahk and Mejeiru which were their home had been faced to the crisis of Karitori (reaping). Travel to their home is speed up so that they may inform of the crisis. On the way, current information of the earth having been brought by girl Misty who had come to travel with them was worse than they can imagine. Hibiki and crew noticed a true fight was in the future. VANDREAD is finally changed into final system by the attack of the enemy who becomes violent more and more. Can they save their home? And, what happens to the relations between Hibiki and Dita?
In one of their epic battles, the Mazinger Team suffers a crushing defeat at the hands of Dr. Hell and his minions after Mazinger Z is stolen and its pilot, the legendary Kouji Kabuto, is rendered missing in action. Just when Dr. Hell's second-in-command Baron Ashura uses Mazinger Z against our heroes, Kouji makes a surprise return in Mazinkaiser - an all-new Mazinger with heavier armor and deadlier attacks.
3. Zoids New Century/Zero
Zoids - powerful animal-shaped combat mechs - are no longer used in warfare, but in organized sporting competitions. The Blitz Team, a group of pilots struggling to carve out a niche for themselves in the Zoid battling leagues, experience a stroke of luck when Bit Cloud, a vagrant junk dealer, wanders into their midst and proves himself capable of piloting the temperamental Liger Zero, a Zoid that refuses to let anyone else into its cockpit. Led by Bit and the Liger, the Blitz Team steadily make their way to the top - but along the way they attract the unwelcome attention of the Backdraft Group, an organization of Zoid pilots that operates outside the laws set down by the Zoid Battle Commission. The Backdraft want powerful Zoids to add to their ranks, and they have their eye on the Liger Zero...
4. Cyborg 009 - The Cyborg Soldier
Cyborg 009 is a story about nine experimental cyborgs (eight male and one female), which have been collected by the evil terrorist group, Black Ghost. Those nine cyborgs with the aid of a scientist turn against Black Ghost's control. Black Ghost in turn starts sending more cyborgs to destroy their first nine experimental cyborgs and causing destruction all around the world.
Episodes 1-48 aired on TV. Episodes 49-51 consist of the "GOD'S WAR" OVA. An additional recap episode aired between episodes 47 and 49.
The "GOD'S WAR: Prologue" bonus arc is not intended to be in continuity with the other episodes, as it was instead produced as a teaser at adapting the unwritten final chapter of the Cyborg 009 manga. TV Tokyo could not air more than 51 episodes and the first two OVA episodes were cut and merged together into one episode, leaving the final one unaired.
(Source: Cyborg009 Wiki)
5. Mobile Police Patlabor: WXIII
When the level of Labor accidents begin to escalate around Tokyo Bay, police detectives Kusumi and Hata are assigned to investigate. What they discover leads to a series of government cover-ups, conspiracy concerning a new biological weapon entitled WXIII-Wasted Thirteen and a tragic, personal connection to Hata. The only hope to stop this threat is to cooperate with the military and lead WXIII into a showdown with the Labors of Special Vehicle Division 2.
6. Zone of the Enders: Dolores
49-year-old James Lynx was an officer (LEV pilot) in the United Nations global army, one day he received notification that his wife -- a Martian scientist -- was killed during a lab experiment.
Hateful and resentful for letting her go, his children blamed him and cast him aside, depressed and in despair, James quit the military and took up a job as a transporter between Earth and Mars, he had some slight hope of his wife still being alive and to find her he wanted to be out there. After a few years he seemed to have given up all hope and turned to drinking, until one day he receives an orbital frame by the name of "Delorez", sent by his dead wife. Once again he dares to hope and sets off on a wild and wacky adventure to find the truth and to reunite his family.
7. Z.O.E. 2167 Idolo
Z.O.E. 2167 Idolo will take place a few years prior to the events of the series Z.O.E Dolores,i, and is centered on the "Deimos Incident," an act of terrorism by the Mars revolutionaries.
The BAHRAM army pilots Radium and Viola are the best in their class, and have such have been chosen to do spearhead testing on a new type of weapon; Mars hopes this weapon will liberate them from the UNSF's (United Nations Space Force) tyranny. This new technology called the "Orbital Frame," is powered by an extreamly rare and powerful source of energy known as the metatron ore.
This OVA depicts the Deimos incident, and the story leading up to this incident.
8. Sadamitsu the Destroyer
Sadamitsu, a high-school delinguents turned to a masked-hero, while not dealing with his rocky relationship with the strong female protagonist, he puts on a motorcycle-helmet-like mask and becomes a semi-robotic superhero who fights. He is assisted by other possibly- mechanical creatures in order to save the earth from the invasion of 20,000,000 escaped alien convicts.
9. Shingu: Secret of the Stellar Wars
The world is about to be turned upside down for Hajime Murata. First, a strange alien ship appears over Tokyo, and then a mysterious new transfer student arrives at his school wearing an ancient school uniform. His name is Muryou, and with his arrival, everything begins to change. Students suddenly begin to display amazing psychic powers, a giant white guardian keeps appearing in the skies over the city to fight off gigantic alien creatures, and men with threatening weapons are haunting the shadows of the school grounds.
With all these strange events taking place around him, Hajime is determined to figure out the truth about a world he thought he already knew. This is his story: a tale of aliens and humans, starships and spies, and friends who are often more than they appear. Join Hajime as he uncovers the mystery of Shingu: Secret of the Stellar Wars!
10. Gundam Evolve
A series of short films packaged with certain model kits and aired at conventions, the Gundam Evolve series chronicles a number of side-stories, alternative scenes, and even bonus omake from all around the Gundam canon. Featuring a mix of animation media—from traditional cels to 3-D CG rendering to even cel-shaded 2-D animation—these often 3-5 minute shorts cover such events as Domon Kasshu's training (and a bit of a romantic tift with Rain Mikamura) from G Gundam, Amuro Ray battling Quess Paraya from Char's Counterattack, Kamille Bidan training in the Gundam Mk.II from Zeta Gundam, and Canard Pars dueling Prayer Reverie from the Gundam SEED X Astray manga.