All that onion juice made me cry!
Not bad! It seemed there was some sort of radioactive explosion that caused onion people to come alive all across the world, signifying further onion adventures to come. And what is an onion man without his katana and his, "there can be only one" attitude?
I did not find it lengthy in any sort of way, though what you had was fair quality, i would definitely qualify that as a teaser episode. If further episodes contain more story and plot development I could see this being a fun little series.
Keep at it!
-TheWolfBite