 If you liked
Trigun
|
 ...then you might like
Space☆Dandy
|
Both have a cunning, wacky, and perverted gunslinger as the MC. The MC is being hunted after by a powerful organization because of a secret he holds. Both anime are episodic but with a overarching plot.
Trigun and Space Dandy sums it up as anime about odyssey, a journey in space involving a main character explores the universe. At the time, they have a bounty placed on their heads by another organization so their lives at in constant danger.
In both series, the main protagonist meets both friends and foes along the way while discovering phenomenons that are out of this world. They use their skills in dealing with their enemies and although not being able to handle every task at hand, the mc shows good will towards others.
Both series' stories also follows an episodic like format.