Read the video description:

Use the HD button when the option is available.
You can also put &fmt=18 at the end of the url for High Quality.

Sorry, i will not upload the Final Boss and the ending here because of copyright.

Final Boss:
http://www.megavideo.com/?v=22O31SX8

Ending:
http://www.megavideo.com/?v=0ID9H63G

i didn't find another place to upload it lol.

Enjoy.