I have several hobbies and rotate between them. Some of them are creative, some are passive. Maybe your brain wants a change of pace so it can create something fun? Cooking is always a good one to start with when I want to do something.
There are many indie games that are good and quite cheap. http://www.gog.com/
is a good place to start for good, cheap games.
For free TV series, hulu.com was pretty good. I haven't used them lately though.