You cannot create a "TV" as a distinct element in the classic Doodle God puzzle games. The game focuses on combining base elements (Fire, Water, Earth, Air) to discover new ones, and "Television" is not part of the standard recipe list.
While you can't make a TV, you can craft its technological precursors:
These elements represent the building blocks of broadcast technology. If you're playing a specific variant (like Doodle God: Fantasy World or mobile versions with expanded libraries), check that version's wiki, as some spin-offs add modern items.