Menu item showing as active even when it isn't

There is a menu item in my menu that seems to be appearing as active, even when it is not the active page in the browser. Example is here:

www.teachertravelguide.com/newtv/

If you hover over the Watch link you will see that Beyond The Badge appears as active even though it isn't. It stays this way regardless of what page is open in the browser. Any ideas what might be doing it?

Hi
check if you have a cache system enabled, you can try to disable it and test
check the option "base item" in the module that must be on "current"
CEd