Episodes standing out

NINKU -忍空-
#2 14 22 29 41 45
Yu Yu Hakusho#30, 35, 41, 47, 52, 58, 66, 74

Rekka no Honoo #6, 22

Rurouni Kenshin #30, 31, 60, 66, 85

Hunter x Hunter #11, 17, 22, 28
Naruto #30, #71
Popolo Crois (2004) #6
Rahxephon #15
Puchi Puri Yuushi #7
Abenobashi Shotengai #3 & #12
Haibane Renmei #8 & #13
Kareshi Kanojo no Jijo #19
Digimon #21

References
http://www.pelleas.net/aniTOP/index.php/fighting_anime
http://www.pelleas.net/aniTOP/index.php/stand_outs

Planetes
Paranoia Agent
Tweeny Witches