Where can I watch Puella Magi Madoka Magica in United States?

She has a loving family and best friends, laughs and cries from time to time... Madoka Kaname, an eighth grader of Mitakihara middle school, is one of those who lives such a life. One day, she had a very magical encounter. She doesn't know if it happened by chance or by fate yet. This is a fateful encounter that can change her destiny. This is a beginning of the new story of the magical witch girls.