Not bad
Lose the reptitiveness in the fight scenes. Add some elevation changes, obstacles, make the move around an environment - not just in a straight line.
Lose the slideshow style speech. We shouldn't need to press a button to progress the speech, add a pause or slider bar for people that can't keep up.
I disliked the white blocks for speech each time. If you lose the space to progress button then you can keep action occurring even during speech.
Stop over using the same dbz sounds, it gets annoying.
Stop copying the dbz story format, bump some originality into the next few sequels, improve your script writing.
All of the above will bring you forwards to much higher scores. Keep up the good work and remember to polish. :)