>>532616897
Well, it depends on how long of a runtime/episode count you want.

Short:
Strawberry Marshmallow
Elfen Lied
Drinky Crow Show
Iria Zeiram
DNA2
Please Save My Earth
Final Fantasy - Legend of the Crystals
Serial Experiments Lain

Medium:
Berserk (1997)
Yawara!
-of the Stars (Banner of the Stars, Crest of the Stars)
Kekkaishi

Long:
Inuyasha
Rurouni Kenshin
Ghost Sweeper Mikami
Dragon Ball (the original series)

One off OVAs:
Dragon's Heaven
BIRTH
Saint Elmo
Ninja Scroll
Singles
Power DoLLs (it's 2 episodes, w/e)

If you want to make it awkward:
Junk Story
Injuu Alien
Shoujo Tsubaki
Blue Seagull
Kite
Doll Saaya