The obligation to be steadfast in adhering to the truth and not to obey anyone if it involves disobedience to the Creator
Question

                I am a Muslim woman, praise be to Allaah; I do everything to please Allaah, and I wear complete hijaab. But my mother – may Allaah forgive her – does not want me to wear hijaab and she tells me to watch movies at the cinema and on video, etc. She says to me, “If you don’t enjoy yourself and have fun, you will become an old woman and your hair will turn grey.”
Praise be to Allah.You have to be kind to your mother and treat her well and 
          talk to her in a nice manner, because the rights of the mother are great 
          indeed. But you do not have to obey her in anything that is not right, 
          because the Prophet  (peace and 
          blessings of Allaah be upon him) said, “Obedience is only with regard 
          to that which is right and proper.” And he  
          (peace and blessings of Allaah be upon him) said, “There is no obedience 
          to any created being if it involves disobedience to the Creator.” The 
          same applies to one’s father, husband and others; they should not be 
          obeyed in matters of sin because of the hadeeth mentioned above. But 
          a wife, child, etc., has to use kindness and good manners in order to 
          solve problems, by explaining the evidence of sharee’ah and the obligation 
          of obeying Allaah and His Messenger and of avoiding sin, of adhering 
          steadfastly to the truth and not obeying any command from a husband, 
          father, mother, etc., that goes against the truth. 
There is nothing to prevent you watching anything on TV 
          or video that does not contain anything evil, or listening to educational 
          broadcasts or useful lessons. But beware of watching anything in which 
          evil things are shown. It is also not permissible to go to the cinema 
          because of the various kinds of evil involved. 
It is not advisable to have a television at home because 
          so much of what it shows is false or haraam. Your mother’s telling you 
          that if you do not enjoy yourself and have fun, you will become an old 
          woman and your hair will turn grey is just foolish nonsense; it is like 
          the myths and stories that children tell. So do not listen to these 
          words. But there is nothing wrong with having fun if it is permissible, 
          such as going to rivers, looking at the trees and hunting. But if the 
          leisure activity is haraam, you must avoid it, no matter what it is.