that's samurai jack alright
as soon as the spartan started killing the robot bugs, and you did that shot from the 3 perspectives, i immediately thought to myself, "this is samurai jack... with a spartan.".... then i saw Aku.... or Aku's brother or something.... and i thought to myself, "....oh.... this is samurai jack... with a spartan... and without originality of any kind."
look, it's one thing to borrow the look and style of the show. i love the show, and it has a fantastic art style. but as soon as you start copying the action shots, ideas and enemies (don't try to argue, that guy was fuckin' Aku) it unfortunately does come off more as a rip-off than a tribute.
don't get me wrong, it was not a bad flash. clearly a lot of work was put into it, and you did a very successful job mimicking the samurai jack art style. but unfortunately, you didnt achieve what i think you were trying to, in that it very much seems like a rip-off.
there wasn't enough story here for anyone to distinguish it from samurai jack. perhaps in the coming episodes we will see if it has a completely different story. but as of right now, this was a lot of work put into copying samurai jack with a different main character.
i suggest you make the story COMPLETELY different from samurai jacks for episode 2, or else people will see it as nothing but a rip off. fortunately, you have 12 more episodes to show your own creativity and ideas. good luck