From the MyAccount tab or MyTV tab within My Account, scroll to the “TWC TV® for devices” module.
Click on the “Edit blocked channels” link.
On the Edit TWC TV® Channel Blocking for Devices page, scroll down to the channel(s) you wish to block.
Click on the lock icon (it will turn red).
To complete the parental control activation process, restart the TWC TV® for iPhone app by pressing the home button or signing out.
(Note: These settings apply to all TWC TV® apps. To manage parental control settings for your television, you must use modify the settings on your video set top box using your remote control.)