Dreamcast disc problem

[The Mr. Video]

Hi. A while ago I bought a copy of Toy Commander for the dreamcast. When I tried to play it, it would freeze at the end of the No Cliche FMV. While attempting to play it a second time, I figured out that skiping the FMV would keep the game from freezing at that point. So I played the training mission, and nothing went wrong. Then I tried to play the first mission, only for the game to display a black screen with a blue box in the middle of it and some text on it when it tried to load it. I can't exit out of the screen, the only thing I could do at this point was move a cursor around with the d-pad and analog stick. I tried resurfacing the disc and it still did the same things. I don't know what's wrong.

 

Note: I would post pictures, but for some reason the images would look flipped on the preview screen.