Best anime fight Scene!

[Hysteria]

What is your favorite fight scenes in an anime?

I have to say Rock Lee vs Gaara (https://www.youtube.com/watch?v=VgDgWzBL7s4) is one of mine. The animation was fantastic, to be able to show Rock Lee's speed as it increases, mixing in the shots of Gaara to show how unhinged he is at that point. Just fantastic. I don't follow Naruto much any more, but that scene is still fantastic.

The other one is defiently Spike vs Vicious (https://www.youtube.com/watch?v=LzFSsZo7rfA). The organ comes on at the start, and you're like 'oh shit gonna get real'. The music, the amazing voice actors, the melodramic words. "I've bleed all that kind of blood away!" "Then WHY ARE YOU STILL ALIVE!?" Even Faye Valatine gainaxing as she runs away seems to fit in. Then the song at the end with clips of their past. Holy shit balls that is good. The episode, Ballad of Fallen Angels is simply incredible.

So yeah, whats yours?

[Quentin Boone]

Goku vs Maijin Vegeta.

Ichigo vs Grimmjow.

[Enigmatic Immortal]

Kenpachi VS Hole in head Arrancar.

[Quentin Boone]

Nnoitra.

Not strictly a fight, but I also love the assassination that serves as the first time we see Black Cat.

[Dissinger]

Ishida vs. Mayuri.

That fight oozed so much fun potential. I just hate how Ishida had to basically burn his powers away for it.

But this fight won my heart over. (https://www.youtube.com/watch?v=xzk3fNeFG-8)

[Flames of Hyperion]

Personal favourites:
Nanashi vs. Luo Lang in Sword of the Stranger (edit: ninja'd!)
Balsa vs. the Hunters in Seirei no Moribito

Perhaps better known:
Kagura vs. Abuto in Gintama
Jin vs. Kariya in Samurai Champloo
Chiyo and Sakura vs. Sasori, Jiraiya vs. Nagato in Naruto Shippuden
Otomo vs. Doman in Tokyo Ravens

[Philomel]

Inami punching Takanashi-kun every time in Working!!
...

On a more serious note -
Any fight between Ryuko (with Senketsu) and Satsuki Kiryuin in Kill la Kill. Pure beauty, and Senketsu is one beautiful sailor's outfit.

[BlackAndBlueEyes]

Rock Lee vs. Gaara immediately came to my mind as well. I read the mangas rather than watched the anime, but that still sticks out as the best fight scene in the entire series in my mind.

[Aurelianus Drak'shal]

Any from Afro Samurai.

And if that doesn't count, Spike vs. Vicious, Cowboy Bebop. (not the most amazing, brutal or bloody, but I love Bebop)

And if that doesn't count, I don't care because those are awesome.

[Mordelain]

Flames already picked mine :(

[Silence Sei]

Kuwabara Vs Elder Tugoro will always be my favorite Yu Yu Hakusho fight (https://www.youtube.com/watch?v=cznJYX71IAw)

My Toriko obsession stemmed from this one fight with Tommyrod. (https://www.youtube.com/watch?v=cn70Ima_hms)

The highlight of Usopp Vs Perona, and I can't wait to hear the english dub shout 'SAVE ME SNIPER KING!' (https://www.youtube.com/watch?v=XFQrw4iFfoQ)

Kambei Vs Kyuzo in Samurai 7 was the reason I started the IK with the intention of at least one 'evil-ish' general. (https://www.youtube.com/watch?v=qjZla7pSjt8[/url)

Hideyoshi Toyotomi says 'Fuck all you guys (Besides Masamune Date, because you know, One-Eyed Dragon of Oshu (https://www.youtube.com/watch?v=iwVe1OR_fWE)

I also like Kenichi Vs Siegfried as well (https://www.youtube.com/watch?v=I2xTiS95mlE)

[Mordelain]

Close second goes to this (https://www.youtube.com/watch?v=1KxjGn30PDA).

[Ashla]

Naruto vs. Sasuke would be my favorite if it had less talking/ flashbacks and more fighting, nine tails going nuts, and Sasuke getting his butt kicked...

Well... I don't know what my favorite is then xD Maybe Vaah the Stampede vs. that one bounty hunter that drove him nuts for shooting people (forget his name, been a while since I watched that episode... :P )

[Dissinger]

Legato.

[Luned]

When I was a kid I was pretty enamored by the end battle of the Sailor Moon R movie, but no idea how it holds up if watched as an adult. haha