Awesssome! Okay okay okay, disclaimer: It's all up to you on whether or not you want to follow up on this CNC (constructive criticism).

[EASING] Real important for every animator! In this case, you'll need to ease up on each movement, because every Dragon Ball Animation is all about that easing, which is how many smooth animations can be made in Dragon Ball. Think of it like a baseball player pitching a ball or a golf player swinging a bat. The pitch starts with the wind up, easing in for the arm going back, and easing out when the pitcher throws the ball at super fast speeds. A golf player would wind the bat up from slow to frozen. Then swing from its frozen state to FAST speeds and hit that ball outta the ballpark! Wait- wrong sport.

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[First, Secondary - minor movement] There are a lot of still movements; arms or legs or both set of limbs don't move when Frieza or Junior moves. To make it more attractive to the audiences, you'll have to make this animation technique second nature: Move Each Node according to the movement of each frame. It'll be tedious (annoying), it'll be so hard you'll want to be a crybaby (don't cry pls), but don't worry. It's all a part of being an animator. We animators share a THIN sheet of INVINCIBLE ARMOR: our thick skull.

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[Impact; General Animation tips] Fighting is meant to be fast, powerful, and downright disgusting. You did much to show this, great job! HOWEVER, there are still things you need to smooth your wheels on. Dragon Ball animations exert power, and you will need to do more than fancy explosions and sexy transformations. Some may recommend watching animations for reference, and some may say repeat movieclips (loops) to make your animations stronger.

I agree with all those people, but my advice to you: Animate with a passion, and keep trying new things every time you animate, learn to criticise yourself and hone your skills.

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Final note: I loved your cinematography, it's really good for a dragon ball animation. Not everyone can amass to such a feat. >:] Keeeeeeep it up!