Gungrave
Season 1, Episode 21: Duty
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Dr. Tokioka risks his life to gather top secret information on the enemy's weaknesses, and Lee goes on a murderous rampage to avenge the death of his friend.
All Episodes - Season 1
Episode 1
Destroyer in the Dusk
Episode 2
Young Dogs
Episode 3
Rain
Episode 4
Go
Episode 5
Millennion
Episode 6
Big Daddy
Episode 7
5 Years Later
Episode 8
Family
Episode 9
Dispute
Episode 10
Conflict
Episode 11
Heat
Episode 12
Kind
Episode 13
Betrayal
Episode 14
Die
Episode 15
Harry
Episode 16
Letter
Episode 17
Mika
Episode 18
Grave
Episode 19
Superior
Episode 20
Brother
Episode 21
Duty
Episode 22
Remorse
Episode 23
Daughter
Episode 24
Last Bullet
Episode 25
Then
Episode 26
Dusk of the Destroyers