Yes it totally can! Believe is the immense magic force, which spawned the whole dimension called Closetland into existence!
So the far side of the moon could really be a dark place, where the sun never reached - although adults would not see it as such, or would find a scientific explanation!

Could Belief in Little Fears: Nightmare Edition cause the dark side of the moon to really be dark?
In season five of Buffy the Vampire Slayer 


   Tara and Willow pursue a romantic relationship


There's lots of hugging and smiling and talking about their feelings, but up to the sixth episode, they do not kiss.  Was there studio/PR/political objection to the nature of this relationship?  How much?  What was the nature of it- was it deemed too controversial, inappropriate for younger viewers, were executives worried that it would perform poorly? 
