Synopsis for the TV Cartoon My Mom, Watch Video

When Mordecai and Rigby fail at another task, Benson has Muscle Man and High Five Ghost supervise them. Mordecai and Rigby hate having to put up with Muscle Man and High-Five, especially Muscle Man's "My Mom" jokes. After spending the day with them, Mordecai and Rigby decide that they are very fun to be around. Mordecai still cannot put up with Muscle Man's jokes, however, and tells him that he doesn't say the joke right. Mordecai proceeds to tell "Your Mom" jokes, and Rigby soon joins in. Muscle Man becomes infuriated and calls on his brother to teach Mordecai and Rigby a very important lesson.