Cant Find my objects I bought with Sim Points

I think you can find it through one of the below:

1. click on the icon of a folder and is called "collections" while you're in buy/build mode. It should be in the area of the blueprints. You should be able to find a little folder called "store content" or something related to the word "store." Search the items there and you should find the TV.
2. Right at the end of the catalouge of build/buy mode, you should find a little "sorter" - it's a bit hard to describe but you should find it. Once you've found it, select store content and then just go through all the places a TV supposedly should be (to then put everything back to normal, click on it and then press the all button)
3. Look in the "sort by function" under entertainment. 
4. Look in the "sort by room" under the living room and then under the TV's.

Hope this helps!