HDMI/Mini port connect to TV = stays on blank (only background) desktop screen? I have to drag stuff from my laptop to blank desktop screen?

I hope this makes sense. The simplest way I can describe it is…it's as if the TV I am connecting it to recognizes it as another desktop entirely. Sort of like how you drag stuff against multiple screens on your laptop. Only…the TV is just a blank desktop screen (just the background) and no actual icons. In other words, my programs, my finder, all that stuff I have to drag over using my laptop. Is there a way to just display what my laptop displays rather than dragging everything over one by one just to be able to see it on my TV?
I'm using a mini port plugged into HDMI plugged into TV.
Thanks!

Using Macbook pro as well.

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