Yes, it is, but you need time and patience. It took three years to make Shrek 1, and that was 90 minutes. So theoretically, if you want THAT quality, you can work out how long it will take you to make 5 mins. I have made 5 and 15 minute films at lower quality and they weren't Shrek, but they weren't bad either. All depends how much time you have, how fast you learn, and what computer you have.