I have an imac and I wanna put a movie to do clips and stuff on imovie and make videos. Do you know how? I have the dvd in and it played it and I made it stop, and I have handbrake....what do I do now? its like on my desktop thing but now what?

How can I move it on to imovie?

just in case it helps the dvd is disc 4 for season 4 of 7th heaven.